Bearing Replacement Guide Uk

BEARING REPLACEMENT GUIDE

Table of Contents

About NSK Engineering Section Technical Information Terminology Bearing Types and Performance Internal Clearence Precision Class Bearing Lubrication Care & Maintenance Inspection Bearing Failures Replacement Bearings Bearings Selection Selection by Dimensions (Metric) Selection by Dimensions (Inch) Interchange List Bearings Tables Ball Bearings Extra Small Bearings Maximum Type Ball Bearings Double Row Deep Groove Ball Bearings Single Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Duplex Ball Bearings (4 Contact Points) Self-Aligning Ball Bearings Cylindrical Roller Bearings Tapered Roller Bearings Spherical Roller Bearings Thrust Bearings Accessories Super Precision Bearings Other Product Ranges

4

7 8 9 10 11 12 15 22 24

28 102 110

122 138 139 140 144 152 156 162 170 186 218 228 244 253 261

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Bearing replacement guide 3

The NSK brand, recognised around the world

As one of the worlds leading manufacturers of rolling bearings, linear technology components and steering systems, we can be found on almost every continent with production facilities, sales offices and technology centres because our customers appreciate short decision-making channels, prompt deliveries and local service.

From home appliances, automobiles, and capital equipment to the aerospace industry NSK bearings are used in an extensive range of applications. NSK established its global-scale enterprise on technology that has met the exact requirements of global industry. We have also established R&D systems and support services to meet the diverse needs of our customers in every continent. As a brand recognised around the world NSK continues to lead industry with its technical prowess.

Europe

Asia America Pacific states Africa

NSK is on the move, across the globeHeadquarters America Ann Arbor Asia Shanghai Singapore Europe Maidenhead Japan Tokyo Technical Offices America Ann Arbor Asia Kunshan Europe Kielce Newark Ratingen Japan Fujisawa Maebashi Plants America (North) Ann Arbor Bennington Clarinda Franklin Liberty America (South) Suzano Asia Anshun Balakong Chachoengsao Changshu Changwon Chennai Chonburi Dongguan Jakarta Kunshan Suzhou Zhangjiagang Europe Kielce Munderkingen Newark Peterlee Torino Japan Fujisawa Hanyu Haruna Konan Otsu Maebashi Takasaki Tanakura Ukiha Sales Offices Africa Johannesburg America (North) Ann Arbor Atlanta Bennington Chicago Indianapolis Los Angeles Miami Montreal San Jose Toronto Vancouver America (South) Belo Horizonte Buenos Aires Joinville Mexico City Porto Alegre Recife So Paulo Asia Anshun Bangkok Beijing Chengdu Chennai Guangzhou Hongkong Jakarta Johor Bahru Kota Kinabalu Kuala Lumpur Manila Prai Seoul Shanghai Singapore Taichung Tainan Taipei Europe Barcelona Coventry Dsseldorf Istanbul Leipzig Maidenhead Milano Newark Paris Stuttgart Tilburg Warsaw Japan Nagoya Tokyo Australia Adelaide Auckland Brisbane Melbourne Perth Sydney

The NSK company NSK commenced operations as the first Japanese manufacturer of rolling bearings back in 1916. Ever since, we have been continuously expanding and improving not only our product portfolio but also our range of services for various industrial sectors. In this context, we develop technologies in the fields of rolling bearings, linear systems, components for the automotive industry and mechatronic systems. Today our products are rotating all the world and are moving us closer to our goal: zero energy loss from friction. Our research and production facilities in Europe, America and Asia are linked together in a global technology network. Here we concentrate not only on the development of new technologies, but also on the continuous optimisation of quality at every process stage. Among other things, our research activities include product design, simulation applications using a variety of analytical systems and the development of different steels and lubricants for rolling bearings.

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Technical Information

Technical Information Terminology Bearing Types and Performance Internal Clearance Precision Class Bearing Lubrication Care & Maintenance Inspection, Bearing Failures How to Order Replacement Bearings

8 9 10 11 12 15 22 24

6


Terminology

Bearing Types and Performance

Design and Classification Rolling bearings use balls or other rolling elements, located between bearing rings, to minimize friction. The rolling elements are separated and held in position by cages or other retaining devices. The construction of six of the most common rolling element bearings are illustrated here for identification of nomenclature. Specific dimensions and details for these bearings are given in the dimensional tables in the following sections of this catalog.

BearingType Deep groove

Radial Series belastungen 600-6000-62006800-6900-BL

Hohe Hohe Hohe Kombinierte Kombinierte Kombinierte RadialRadialRadial Axiallasten Kombinierte Angular RadialLoads AxialLoads CombinedLoads Hohe HighSpeeds Hohe Kombinierte RadialAxiallasten Axiallasten Axiallasten Winkelabweichung Axiallasten Belastungen Winkelabweichung WinkelabweichungWinkelabw Winkelabweichung Misalignment Belastungen Belastungen Drehzahlen belastungen belastungen belastungen Drehzahlen Drehzahlen Belastungen Drehzahlen belastungen Belastungen DrehzahlenGood

Lagertyp

Serie Serie Skizze Skizze Skizze Lagertyp Serie 6300-16000-16100Lagertyp Serie Lagertyp Skizze Lagertyp ball bearing Serie

Skizze

Fair 2 directions

Good

Excellent

Good

Ausreichend 600-6000-6200-6300600-6000-6200-6300600-6000-6200-6300600-6000-6200-6300600-6000-6200-6300Rillenkugellager Rillenkugellager Rillenkugellager Rillenkugellager Rillenkugellager 16000-16100-6800- in beide 16000-16100-6800-row 16000-16100-6800- Gut 16000-16100-6800Gut Gut 16000-16100-68004200-4300 Good Gut Double Richtungen 6900-BL 6900-BL 6900-BL 6900-BL 6900-BL deep grooveWidth Outer Ring Cage Ball Inner Ring Outside Diameter Width Outer Ring Ball Inner Ring Effective Load Center Inner Ring Back Face Outer Ring Back Face Contact Angle Inner Ring Front Face Outer Ring Front Face Inner Ring Unflanged Shoulder Outer Ring Flanged Shoulder Outer Ring Cylindrical Roller Inner Ring

Ausreichend Ausreichend Ausreichend Ausreichend in Gut beide inGut inbeide beide beide Exzellent Gut inGut Fair Gut Fair 2 directions Richtungen Richtungen Richtungen Richtungen

Exzellent Fair

Gut Gut Exzellent Exzellent

Exzellent Gut Gut PoorGut

Gut

ball bearing

Zweireihiges Zweireihiges Zweireihiges Zweireihiges Zweireihiges 4200-4300 4200-4300 4200-4300 4200-4300 7200-7300 Gut 4200-4300 Rillenkugellager Rillenkugellager Rillenkugellager Angular Rillenkugellager Rillenkugellagercontact ball bearing Double row angular contact Schrgkugellager Schrgkugellager 7200-7300 Schrgkugellager 7200-7300 Schrgkugellager 7200-7300 7200-7300 Schrgkugellager ball bearing Four-point contact ball bearing Zweireihiges Zweireihiges Zweireihiges 3200-3300-52005300 QJ200-QJ300

Ausreichend in Gut Good beide Gut Gut RichtungenGood

Ausreichend Ausreichend Ausreichend Ausreichend AusAusAusAusin AusinGut beide Good beide Excellent Poor in beide Goodinbeide reichend reichend Ausreichend Ausreichend Ausreichend Schwach reichend Ausreichend reichend Ausreichend Schwach Schwach reichend Schwach Richtungen 1Richtungen direction only Richtungen RichtungenGood 2Gut in eine directions eine Gut in Gut in eine

Sch

Bore Diameter

7200-7300 Gut

Gut in eine Gut Gut Gut Richtung

Gut Gut Richtung Richtung Richtung

Gut in eine Exzellent Gut Gut Gut RichtungFair

Good

Fair

Poor

Gut Schwach Exzellent Exzellent ExzellentGood

Exzellent Schwach Schwach SchwachPoor

Sch

Outer Ring Raceway Locating Snap Ring

Inner Ring Raceway Shield or Seal Chamfer Dimension

Poor

Good 2 directions

Zweireihiges Zweireihiges Gut in beiden Gut in beiden Gut in beiden Gutin beiden in Gut GutbeidenAusreichend Ausreichend Ausreichend Gut Gut Schwach Gut Gut Gut Ausreichend Schwach Schwach Gut Gut Schwach Schrgkugellager 3200-3300-5200-5300 Gut Schrgkugellager 3200-3300-5200-5300 Schrgkugellager 3200-3300-5200-5300Gut Schrgkugellager 3200-3300-5200-5300 Richtungen Richtungen Richtungen Ausreichend Richtungen Schrgkugellager 3200-3300-5200-5300 RichtungenSelf-Aligning Ball bearing 1200-1300-22002300 Fair Poor 2 directions Poor Good Excellent

Sch

Single Row Deep Groove Ball Bearing

Single Row Angular Contact Ball Bearing

Cylindrical Roller Bearing (NU Style)

VierpunktVierpunktVierpunktQJ200-QJ300 QJ200-QJ300QJ200-QJ300 QJ200-QJ300 Vierpunkt- VierpunktQJ200-QJ300 Schrgkugellager Schrgkugellager Schrgkugellager Schrgkugellager Schwach Schrgkugellager Cylindrical NU-N200-300Roller bearing 400-1000-22002300

Ausbeiden Gut in beiden Gut AusGutin beiden in beiden AusGut in beiden Gut inAusSchwach Schwach Richtungen Richtungen Schwach Richtungen Nonereichend reichend Gut reichend reichend Richtungen None Richtungen Schwach Good

Ausreichend Schwach Gut Gut Gut Excellent

Gut Schwach Schwach FairSchwach

Sch

Bearing Width Tapered Roller Cone Width Cup Angle Effective Load Center

Lube Groove & Oil Holes

Schwach Schwach Schwach Schwach Pendelkugellager Pendelkugellager Pendelkugellager Pendelkugellager 1200-1300-2200-230 Schwach 1200-1300-2200-230 AusAus1200-1300-2200-230 Aus1200-1300-2200-230 AusPendelkugellager 1200-1300-2200-230 AusSchwach Gut Schwach inSchwach beiden in beiden NJ-NF200-300Fair Schwach Cylindrical in beiden reichend reichend Goodreichend Fairinbeiden reichend in beiden reichend 400-1000-22001Richtungen Richtungen direction only Roller bearing Richtungen Richtungen Richtungen2300

Schwach Exzellent Gut Gut GoodGut

Gut Exzellent Exzellent FairExzellent

Exz

Roller Angle

Spherical Roller Outer Ring Tapered Bore Straight Bore Floating Guide Ring Inner Ring Outer Ring Outer Ring Bore Diameter Outer Ring Diameter Height Ball Bore Diameter Inner Ring

Zylinderrollenlager

Kann keine ZylinderNU-N200-300-400NU-N200-300-400ZylinderZylinderNU-N200-300-400NU-N200-300-400ZylinderNU-N200-300-400- Gut Axiallasten NUP200-300-400Good Gut Cylindrical Gut Gut rollenlager rollenlager 1000-2200-2300 aufnehmen 1000-2200-2300 bearing 1000-2200-2300 1000-2200-2300 1000-2200-2300 rollenlager rollenlager 1000-2200-2300 Roller Ausreichend ZylinderZylinderZylinderHR30200-30300Good Tapered NJ-NF200-300-400- in eine NJ-NF200-300-400NJ-NF200-300-400NJ-NF200-300-400ZylinderNJ-NF200-300-400- Gut Gut Gut Gut 30300DJ-32000Roller rollenlager rollenlager 1000-2200-2300 Richtungen 1000-2200-2300 bearing 1000-2200-2300 1000-2200-2300 rollenlager rollenlager 1000-2200-230032200-32300-3300033100-33200

Axiallasten Axiallasten Fair Ohne Axiallasten Gut aufnehmen aufnehmen 2aufnehmen directions

Kann keine Kann keine Kann keine Kann keine Axiallasten Fair Ohne Exzellent Ohne Ohne aufnehmen

Good Ohne Ausreichend Exzellent Exzellent Exzellent

Fair Exzellent Ausreichend Ausrei Ausreichend Ausreichend

Zylinderrollenlager

Cone Front Face Cup Back Face Cup Cup Width

Cone Back Face Cup Front Face

Ausreichend Ausreichend Ausreichend Ausreichend GoodAusAusAusGood Ausin eine inGut ineine eine in eine reichend reichend Gut reichend 1 direction only reichend Richtungen Richtungen Richtungen Richtungen Ausreichend Ausreichend Ausreichend Ausreichend AusAusAusinAusinbeide beide Good beide Fairin Gut in beide reichend Gut reichend reichend reichend Richtungen 2Richtungen directions Richtungen RichtungenGood 1Gut in eine direction only Gut in eine Gut in eine None

AusFair reichend Ausreichend Gut Gut Gut

Gut Ausreichend Ausre Ausreichend Ausreichend

Fair

Zylinderrollenlager

Ausreichend NUP200-300-400-Excellent NUP200-300-400NUP200-300-400NUP200-300-400ZylinderZylinderZylinderin beide NUP200-300-400Zylinder21300-22200-22300Spherical Gut Gut Gut Gut 1000-2200-2300 Richtungen 1000-2200-2300 bearing 1000-2200-2300 1000-2200-2300 rollenlager rollenlager 23000-23100-23200Roller 1000-2200-2300 rollenlager rollenlager23900-24000-24100

Fair

Ausreichend Ausreichend Gut Gut Gut

Gut Ausreichend Ausre Ausreichend Ausreichend

Excellent

Tapered Roller Bearing

Spherical Roller Bearing

Single Direction Thrust Ball Bearing

HR30200-30300- None HR30200-30300HR30200-30300HR30200-3030051100-51200-51300Thrust HR30200-3030051400-52200-52300Kegelrollenlager 30300DJ-32000- Gut in eine KegelrollenlagerKegelrollenlager Ball bearing 30300DJ-32000Kegelrollenlager 30300DJ-3200030300DJ-32000Kegelrollenlager 30300DJ-32000Gut Gut Gut 52400 Richtung 32200-32300-33000- Gut 32200-32300-3300032200-32300-3300032200-32300-3300032200-32300-3300033100-33200 33100-33200 33100-33200 33100-33200 33100-33200

Gut Gut Richtung Richtung Richtung

Gut in eine Ausreichend Gut Gut Gut Richtung

Poor

None

Gut Ausreichend Ausreichend Ausreic Ausreichend Ausreichend Ausreichend Ausreichend Ausreichend

Ausreichend Ausreichend Ausreichend Ausreichend 21300-22200-2230021300-22200-2230021300-22200-2230021300-22200-22300Ausreichend Pendelrollenlager PendelrollenlagerPendelrollenlager 21300-22200-22300Pendelrollenlager Pendelrollenlager 23000-23100-23200in Gut beide in Exzellent beide inGut inbeide beide 23000-23100-23200-Exzellent Exzellent Ausreichend Ausreichend Ausreichend Gut 23000-23100-23200Exzellent Exzellent 23000-23100-23200Gut Ausreichend Exzellent Exzellent in beide 23000-23100-23200Exzellent Gut Ausreichend Exzellent Richtungen Richtungen Richtungen Richtungen 23900-24000-24100 23900-24000-24100 23900-24000-24100 23900-24000-24100 Richtungen 23900-24000-241008 Bearing replacement guide 9

Exz

51100-51200-5130051100-51200-5130051100-51200-5130051100-51200-5130051100-51200-51300-

Bearing Internal Clearance

Precision Class

Internal Clearances and Standards Bearing internal clearance is the total clearance between the rings and rolling elements. Internal clearance influences fatigue life, vibration, noise, and operating temperature. Therefore, selection of the proper clearance is critical. Radial and axial clearances are defined as the total amount that one ring can be displaced relative to the other in either the radial or axial direction as shown in this drawing. To obtain accurate measurements for ball bearings, internal clearance is usually measured by applying a specified

measuring load to the bearings. The clearance measured is always slightly larger than the actual bearing internal clearance due to the elastic deformation caused by the measuring load. Actual internal clearance is obtained by correcting the measured clearance by the amount of elastic deformation. In the case of roller bearings this elastic deformation is negligible. Bearing internal clearances listed throughout this catalog have been corrected to provide actual internal clearances.

Bearing Tolerance Standards The dimensional and running accuracies of rolling bearings are standardized by ISO with regard to the following items: Tolerances for bore diameter, outer diameter, individual ring width, and overall width Tolerances for absolution dimensions of inscribed circle diameter and circumscribed circle diameter Tolerances for chamfer dimension Tolerances for width variations Tolerances for taper angle and taper bore diameters Tolerances for radial runout of inner ring and outer rings Tolerances for axial runout of inner and outer rings Tolerances for side or face runout of inner ring Tolerances for side or face runout of outer ring

Axial Internal Clearance

Radial Internal Clearance

Load

Precision StandardsEquivalent standards(reference)

JIS (1) DIN (2) Ball Bearings Roller Bearings Tapered Roller Bearings

Class 0 P0 ABEC 1 RBEC 1 CLASS 4

Class 6 P6 ABEC 3 RBEC 3 CLASS 2

Class 5 P5 ABEC 5 (CLASS 5P) RBEC 5 CLASS 3

Class 4 P4 ABEC 7 (CLASS 7P)

Class 3 P3 ABEC 7/9

Class 2 P2 ABEC 9 (CLASS 9P)

Radial Internal Clearance Example of Radial Internal clearances for a single ow radial ball bearing with a bore diameter between 24 and 30 mm.

ANSI/ABWA (3)

CLASS 0

CLASS 00

50 Internal Clearance (Microns)

(1)

JIS: Standards for Japanese Industry, (2) DIN: German Institute for Standards, (3) ABMA: American Bearing Manufacturers Association.

40

30 Standard Bearings Precision Standard for Precision Bearings

20

10

C2

CM

CN

C3

C4

C5

Radial Internal Clearance

Radial Internal Clearances Table for each type of Bearing is presented before each Bearing type table.

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Bearing Lubrication

Lubrication - the Purpose Lubrication is needed to reduce friction and wear inside the bearing. Proper lubrication and procedures will allow the bearing to reach its expected life. Primarily, lubrication serves the following purposes: Reduces Friction and Wear Direct metallic contact between the bearing rings, rolling elements and cage is prevented by an oil film which reduces the friction and heat at the contact areas. Extends Bearing Life The rolling fatigue life of bearings depends in a large part on the viscosity and film thickness of the lubricant. A heavy film thickness prolongs the bearing fatigue life. Cooling Circulating oil can be used to carry heat away from the bearing. A circulating system is normally used when excessive heat is generated by the bearing due to high speeds, high loads, or when heat from a source adjacent to the bearing can affect its operation. Oils deteriorate at high temperatures; therefore it is important to keep both the oil and the bearing cool. Other Purposes Proper lubrication also helps to prevent foreign material from entering the bearings, and protects against corrosion or rusting.

Main Lubrication Methods Lubrication can be accomplished by using either oil or grease. The most satisfactory bearing performance will be achieved by selecting the method most suitable for a specific application. This of course will also depend on the conditions under which the bearing will operate. Oil lubrication is superior in lubricating efficiency, however, grease lubrication allows a simpler structure around the bearings. The following table compares oil and grease lubrication. Grease Lubrication Grease is a semi-solid lubricant of a base oil and a thickener. Other ingredients are sometimes added to impart special properties to the base. Additives Grease often contains a variety of additives such as antioxidants, corrosion inhibitors, and extreme pressure additives to give it special properties. Extreme pressure additives are recommended for use in heavy load applications. For long use without replenishment, an antioxidant should be added. Consistency Consistency indicates the softness of the grease. The following table shows the relationship between consistency and working conditions. In general, grease of different types must not be mixed. Mixing grease with different types of thickeners may destroy the composition and physical properties of the grease. Even if the thickeners are of the same type, possible differences in the additives may cause detrimental effects.

Consistency Number [Given by the National Lubricating Grease Institute (NLGI) Scale]0 Consistency (1) (1/10 mm) Working Condition 385~355 1 340~310 2 295~265 3 250~220 4 205~175

For centralized oiling. When false brinelling is liable to occur.

For centralized oiling. When fretting is liable to occur. For low temperature.

For general use. For sealed bearings.

For high temperature. For general use. For sealed bearings.

For high temperature. For grease seals.

(1)

Consistency: Depth into grease attained by a cone when pressed with a specified weight, indicated in units of 1/10 mm. The larger the value, the softer the grease.

Grease Quantity The quantity of grease to be packed in a housing depends on the housing design, rotational speeds of the bearings, characteristics of the grease selected, and the ambient temperature conditions. These factors are critical to satisfactory performance. In applications where the operating speed does not exceed one-half the rated limiting speed of the bearing, the bearing should be packed one-half to two-thirds full. If the speed of the bearing exceeds one-half the limiting speed, the quantity of grease should be reduced to one-third to one-half full and periodic regreasing scheduled. When operating conditions are not severe, the original pack of grease should last a long time without replenishment. If the operating conditions become severe, it will be necessary to regrease periodically. Care should be taken to avoid excessive greasing as this will cause bearings to overheat. Greese Replenishment Frequent grease replenishment is required when operating conditions are severe such as in high ambient temperatures or where contaminants can enter bearing housings. Routine regreasing schedules should be established. In cases where extremely severe conditions exist or the bearings are in a remote area, the bearing housing should be designed to make replenishment and replacement as simple as possible. Automatic grease systems are available and should be used. For normal operating conditions, it may be necessary to regrease the bearing periodically to replace any grease which has leaked from the housing and to eliminate any deteriorated grease.

Even if high-quality grease is used, there is deterioration of its properties with time; therefore, periodic replenishment is required. Figs 12.2 (1) and (2) show the replenishment time intervals for various bearing types running at different speeds. Figs.12.2 (1) and (2) apply for the condition of high-quality lithium soap-mineral oil grease, bearing temperature of 70C, and normal load (P/C=0.1). Temperature If the bearing temperature exceeds 70C, the replenishment time interval must be reduced by half for every 15C temperature rise of the bearings. Grease PIn case of ball bearings especially, the replenishing time interval can be extended depending on used grease type. (For example, high-quality lithium soap-synthetic oil grease may extend about two times of replenishing time interval shown in Fig.12.2 (1). If the temperature of the bearings is less than 70C, the usage of lithium soap-mineral oil grease or lithium soap-synthetic oil grease is appropriate.) It is advisable to consult NSK. Load The replenishing time interval depends on the magnitude of the bearing load. Please refer to Fig.12.2 (3). If P/C exceeds 0.16, it is advisable to consult NSK.

Operating Factor Housing Structure and Sealing Method Speed Cooling Effect Fluidity Full Lubricant Replacement Removal of Foreign Matter External Contamination Due to Leakage

Grease Lubrication Simple Limiting speed is 65% to 80% of that of oil lubrication Poor Poor Sometimes difficult Removal of particles from grease is impossible Surroundings seldom contaminated by leakage

Oil Lubrication May be complex. Careful maintenance required High limiting speed Heat transfer is possible using forced oil circulating lubrication Good Easy Easy Often leaks without proper countermeasures. Not suitable if external contamination must be avoided

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Bearing Lubrication

Care and Maintenance

(1) Radial Ball Bearings (a), Cylindrical Roller Bearings (b)

(b) h

(2) Tapered Roller Bearings, Spherical Roller Bearings h

(a)

How to Handle Bearings Rolling bearings are high precision machine parts and need to be handled carefully. When installing or removing a bearing, correct procedures should be followed. Careless handling during mounting and removal could result in a serious accident, injuring people and damaging property.

d=

d=

Grease Replenishment Interval, tf

Grease Replenishment Interval, tf

10rpm

20

Keep Bearings and Surroundings Clean!

Handle With Care!

Speed n (3) Load factor

Speed n

rpm

Protect Bearings From Corrosion!

Use Proper Tools!

Load factor

Oil Lubrication When the operating speed exceeds the grease limiting speed listed for the bearing, oil lubrication should be used. Several methods are available and are described below. The best method to use will depend on operating conditions. Mounting-Factors To Consider Bearings are very precise and their mounting requires careful attention. The following items must be considered: Cleaning related parts Dimensions and finish of related parts Mounting procedures Inspection after mounting Supply of lubricants Bearing mounting methods depend on bearing type and the type of fit. As bearings are usually used with rotating shafts, the inner rings require a tight fit. Bearings with cylindrical bores are usually mounted by pressing through the inner ring on the shafts (press fit) or heating them to expand their diameter (shrink fit). Bearings with tapered bores can be mounted directly on tapered shafts or on cylindrical shafts by using tapered sleeves. Bearings are usually mounted in housings with a loose fit. However, if the outer ring has an interference fit, a press may be used. Bearings can be interference fitted by cooling before mounting, using dry ice. If this is done, a rust preventive treatment must be applied to the bearings because moisture in the air will condense on bearing surfaces. Mounting Bearings With Cylindrical Bores Before fitting bearings: Leave preservative oil on bearing Compatible with most oils and greases Provides complete protection until run Only remove preservative oil when bearing is to be used with special oils or greases

Oil Bath Lubrication: not for high speeds

Drip Feed Lubrication: for high speeds

Oil Mist Lubrication: high speeds to ultra high speeds

Splash Lubrication: gearboxes

Circulating system lubrication: high speeds and high temperature

Jet Lubrication: ultra high speeds, like jet engine or machine tool spindles

14



Press Fit Press or Tubular Drift FitsFitting Bearing into Housing Fitting Bearing to Shaft

Mounting Bearings with Tapered Bores Large spherical bearings are often mounted using hydraulic pressure. Figure 1 shows two different hydraulic mounting methods. One method is a sleeve with a hydraulic nut. The other method uses a sleeve with pressurized oil.

Holes drilled in the sleeve are used to feed oil under pressure to the bearing seat. As the bearing expands radially, the sleeve is inserted axially with adjusting bolts.

Sleeve

Sleeve

Housing

Figure 1

Shrink Fits Shrink fitting is often used to avoid the large force involved in press fitting large bearings. This method eliminates the need to impose excessive force on the bearings. For shrink fitting, the bearings are first heated in oil, or in an induction heater, to expand them, then mounted and allowed to cool. This amount of expansion of the inner ring for various temperature differences and bearing sizes are shown in Figure 1.

A few precautions to be considered when making shrink fits: Do not heat bearings to more than 120C. Put bearings on a wire netting or suspend them in the oil tank to prevent them from touching the tank bottom. Heat bearings to a temperature 20 to 30C higher than the lowest temperature required for mounting, because the inner ring will cool a little during mounting After mounting, the bearings will shrink in the axial direction as well as the radial direction while cooling. Therefore, while mounting, press the bearing firmly against the shaft shoulder to avoid excessive clearance between the bearing and the shoulder.

Mounting w/Adapter

Mounting with Withdrawal Sleeve

Figure 1: Temperature and Expansion of Inner Ring

Bore Expansion (m) Bore Diameter (mm)

Dif Temp fr . enc e

Bearing Heater

Heating Bearing in Oil

Mounting with Hydraulic Nut

Mounting w/Special Sleeve and Pressurized Oil

Blow Torch

Oil 90-99C - Water 100C

16



The internal clearance of a tapered bore bearing varies with the tightness of the interference fit. It is necessary to check the clearance often as the bearing is being mounted. The bearing should be pressed until the reduction of radial clearance is within the range shown in Table (1) on page 19. Radial internal clearance can be measured during mounting using a feeler gauge or other appropriate gauges. In this process, the clearances for both rows of rollers must be measured simultaneously and the two values kept roughly the same by adjusting the relative position of the outer and inner rings. This is shown in Fig. 1. The average of the two measurements taken for both rows may be used as the residual internal clearance.

In large bearings, the outer ring may deform slightly into an elliptical shape due to its own weight. In this case, for best results, measurements should be taken at locations a, b, and c (see Fig. 3) and entered into the following equation:

(1) Mounting of Spherical Roller Bearings with Tapered Bores BearingBoreDiameterd over 30 incl 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355 400 Reduction inRadialClearance min. 0,025 0,030 0,030 0,040 0,045 0,050 0,060 0,065 0,070 0,080 0,090 0,100 0,110 0,120 0,140 0,150 max. 0,030 0,035 0,035 0,045 0,055 0,060 0,070 0,080 0,090 0,100 0,110 0,120 0,140 0,150 0,170 0,190 min. 0,40 0,45 0,45 0,60 0,70 0,75 0,90 1,0 1,1 1,3 1,4 1,6 1,7 1,9 2,2 2,4 Taper1:12 AxialMovement min. 1,75 1,9 2,25 2,5 2,75 3,25 3,5 4,0 4,25 4,75 5,5 6,0 Taper1:30 max. 2,15 2,25 2,75 3,25 3,5 4,0 4,25 4,75 5,5 6,0 6,75 7,5 MinimumPermissible ResidualClearance CN 0,010 0,015 0,025 0,030 0,035 0,045 0,055 0,060 0,070 0,070 0,080 0,090 0,100 0,110 0,120 0,130 C3 0,025 0,030 0,035 0,040 0,050 0,065 0,080 0,100 0,110 0,110 0,130 0,140 0,150 0,160 0,180 0,200

max. 0,45 0,55 0,55 0,70 0,85 0,90 1,1 1,3 1,4 1,6 1,7 1,9 2,2 2,4 2,7 3,0

Radial Clearance = (a + b + c) / 2

40 50 65

This method is used where the bearing is resting on its outer ring (radial clearance c at bottom). When a selfaligning ball bearing is mounted on a shaft adapter, sufficient clearance for easy alignment of the outer ring must be allowed.

80 100 120 140 160 180 200 225

Figure 2

Figure 3

250 280 315 355

The values for reduction in radial internal clearance are for bearings with CN clearance. For bearing with C3 Clearance, the maximum values listed should be used for the reduction in radial internal clearance. Units: mm

Inspecting and Troubleshooting After mounting has been completed, a running test should be conducted to determine that the bearing has been mounted properly. Possible causes and countermeasures for operating irregularities are shown in Table on page 20.

18



Causes and Countermeasures for Operating IrregularitiesIrregularities Noise Loud Metallic Sound PossibleCauses Abnormal Load Incorrect mounting Insufficient or improper lubricant Squeaking noise Sliding of balls Contact of rotating parts Loud Regular Sound Irregular Sound Flaws, corrosion, or scratches on the raceways Brinelling Flaking on the raceways Excessive clearance Penetration by foreign particles Flaws or flaking on the ball surfaces Excessive amount of lubricant Abnormal Temperature Rise Insufficient or improper lubricant Abnormal load Incorrect mounting Creep of fitted surfaces, excessive seal friction Vibration Brinelling Flaking Incorrect mounting Penetration by foreign particles Leakage or Discoloration of Lubricant To much lubrication Penetration by foreign particles or abrasion chips Countermeasures Correction of fit, internal clearance, preload, position of housing shoulder, etc. Correction of alignment of shaft and housing, accuracy of mounting method Replenish lubricant or select proper lubricant Replacement by low-noise bearings, selection of small clearance bearings Adjustment of preload, selection of small clearance bearings, or adoption of softer grease Correction of labyrinth seal, etc. Replacement of bearing, cleaning, improvement of sals, and usage of clean lubricant Replacement of bearing and careful handling Replacement of bearing Correction of fit and clearance and correction of preload Replacement of bearing, cleaning, improvement of seals, and relubrication using clean lubricant Replacement of bearing Reduce amount of lubricant, select stiffer grease Replenish lubricant or select proper lubricant Correction of fit, internal clearance, preload, position of housing shoulder Correction of alignment of shaft and housing, accuracy of mounting, or mounting method Correction of seals, replacement of bearing, correction of fit or mounting Replacement of bearings and careful handling Replacement of bearing Correction of squareness between shaft and housing shoulder or side of spacer Replacement of bearing, cleaning, correction of seals Reduce amount of lubricant, select stiffer grease. Replace bearing or lubricant Clean housing and adjacent parts

Examples of method to remove a bearing

Bolt

Plug Removal of Outer Ring with Dismounting Bolts Removal of Inner Using a Press Removal of Inner Ring with Withdrawal Tools

Inner Ring Innenring

Removal Dog Segment

Removal of Withdrawal Sleeve with Withdrawal Nut

Removal of Inner Ring Using an Induction Heater

Oil

How to dismount bearings It may be necessary to remove bearings for periodic inspection or for other reasons. If the removed bearing is to be used again, it should be dismounted as carefully as when it was mounted. If the bearing has a tight fit, removal may be difficult. Dismounting procedures and the sequence of removal should be studied carefully before beginning the job.

Hydraulic Pump Removal Using Oil Injection Removal of Adapter with Stop and Axial Pressure Removal Using a Hydraulic Nut

20


Bearing Failures

Bearing Failures Cause and Correction In general, if rolling bearings are correctly used, they will survive to their predicted fatigue life. Premature failure is usually caused by improper mounting or dismounting, improper lubrication, penetration of foreign material, or inadequate inspection and maintenance.

TypeofFailure Flaking Flaking of one-side of the raceway of radial bearings. Flaking of the raceways of double row bearings Flaking of the raceway in a symmetrical pattern Flaking pattern inclined relative to the raceway in radial ball bearings. Flaking near the edge of the raceway and rolling surfaces in roller bearings Flaking of raceway with same spacing as rolling elements Premature flaking of raceways and rolling elements Premature flaking of duplex bearing Scoring and Smearing Scoring or smearing between raceway and rolling surfaces Spiral scoring or smearing of raceway surface of thrust ball bearing Scoring or smearing between the end face of the rollers and guide rib Crack in outer or inner ring

ProbableCause Abnormal axial load

CounterMeasures A loose fit should be used when mounting the outer ring of free-end bearings to allow axial expansion of the shaft Correct the faulty housing Use care in mounting and centering, select a bearing with a larger clearance, and correct the squareness of the shaft and housing shoulder Use care in mounting and apply a rust preventive when machine operation is suspended for a long time Select proper fit, bearing clearance, and lubricant Adjust the preload Use a softer grease and avoid rapid acceleration Correct the mounting, apply a preload, or select another bearing type Select proper lubricants and modify the mounting Examine the loading conditions, modify the fit of bearing sleeve. The fillet radius must be smaller than the bearing chamfer Be careful in handling and mounting Reduce the mounting error and review the lubricating method and lubricant Use care in handling Clean the housing, improve the seals, and use a clean lubricant Secure the shaft and housing, use oil as a lubricant and reduce vibration by applying a preload Increase interference and apply oil Use a different type of seal, clean the housing, and use a clean lubricant Modify the fit or tighten the sleeve Review the internal clearance and bearing fit, supply an adequate amount of the proper lubricant and improve the mounting method and related parts Install a ground wire to stop flow of electricity or insulate the bearing Use care in storing and avoid high temperatures and high humidity; treatment for rust prevention is necessary when the operation is suspended for a long time

Out of roundness of the housing bore Improper mounting, deflection of shaft, inadequate centering, inadequate tolerances for shaft and housing

Large shock load during mounting, rusting while bearing is out of operation for a prolonged period Insufficient clearance, excessive load, improper lubricant, rust, etc. Excessive preload Inadequate initial lubrication, excessively hard grease and high acceleration in starting Raceway rings are not parallel and excessive speed Inadequate lubrication, incorrect mounting and large axial load Excessive shock load, excessive interference fit, incorrect shaft cylindricity, improper amount of sleeve taper, large fillet radius, development of thermal cracks and advancement of flaking Advancement of flaking, shock applied to the rib during mounting or dropped during handling Abnormal loading of cage due to incorrect mounting and improper lubrication Shock load during mounting or excessive load when not rotating Foreign matter such as metallic chips or sand Vibration of the bearing without rotation during shipment or rocking motion of small amplitude Slight wearing of the fitting surface Penetration by foreign matter, incorrect lubrication, and rust Insufficient interference or insufficient tightening of sleeve Insufficient clearance, incorrect lubrication, or improper mounting

Flaking

Fracture

Pitting

Creep

Cracks

Crack in rolling element. Break in rib Peeling Cracks Fretting Seizure Indentation Facture of cage Indentations on raceway in same pattern as rolling elements Indentations on raceway and rolling elements False brinelling (phenomenon similar to brinelling) Fretting Wearing of raceway, rolling elements, rib and cage Creep Seizure Discoloration or welding of raceway, rolling elements, and rib

Abnormal Wear

Scoring

Cage Damage

Wear

Electrical Corrosion

Electric Burns Smearing Denting False Brinelling Rust and Corrosion Corrosion and Rust

Fluting or corrugation Rust and corrosion of fitting surfaces and bearing interior

Melting due to electric arcing Condensation of water from the air, fretting, or penetration by corrosive substances

22


How to Order Replacement Bearings

Ordering the correct replacement bearing is a critical task but one that is not difficult if you take time to gather the right information. Just follow these steps: 1. IDENTIFY the type of bearing you need to replace. Ball Bearing Single Row, Double Row, Angular Contact Roller Bearing Cylindrical, Spherical, Tapered Thrust Bearing Ball or Roller Split Pillow Block Pillow Blocks Super Precision Angular Contact Ball, Cylindrical Roller, Ball Screw Support 2. LOCATE the identification number on the bearing. Bearing identification numbers are usually located on the inner ring face, outer ring face or bearing O.D. Mounted units are identified by a number tag fastened to the unit or by a housing number cast into the housing cap. 3. MEASURE if you need to. If a bearing identification number is not legible, you will need to determine the following: 1. Inner ring bore (inside diameter) 2. Outer ring outside diameter 3. Inner width and outer width (these may be different) 4. Shape of the bore and/or outside diameter of bearing spherical, tapered or cylindrical

4. RECORD additional relevant information. The more information available, the easier it will be to identify the replacement bearing needed. Record: 1. Unique features such as lubrication holes, snap ring grooves, machined shoulders, etc. 2. Application/equipment data 5. LOOK in the appropriate section of the catalog. 1. Ball Bearings 2. Cylindrical Roller Bearings 3. Spherical Roller Bearings 4. Tapered Roller Bearings 5. Thrust Bearings 6. Split Pillow Blocks 7. Super Precision Bearings If you are still unable to identify the bearing you need, call your NSK Distribution Center.Obtain new bearing from Authorised NSK Distributor

Extract failed bearing from machine

Does the bearing have a designation ?

NO

Determine basic type of bearing ie: ball, roller... Use photo and engineering drawings in catalogue

YES

Quote reference to Authorised NSK Distributor

YES

Does it have a NSK reference?

Mesure basic dimensions: Bore (d) O/Side diameter (D) Width (B)

NO Identify bearing designation Obtain NSK designation by using Selection by Dimension pages If designation not found in interchange list consult Authorised Distributor or NSK direct

Is bearing designation in the interchange section of the handbook ? YES

NO

Quote NSK designation to Authorised NSK Distributor

Find NSK alternative bearing designation

Obtain NSK alternative from Distributor Obtain bearing from Distributor

Obtain NSK bearing from Autorised NSK Distributor

Fit new NSK bearing

Fit new NSK bearing

Fit new NSK bearing

Fit new NSK bearing

24


Bearings Selection

Bearings Selection Selection by Dimensions (Metric) Selection by Dimensions (Inch) Interchange List

28 102 110

26


Selection by Dimensions (Metric)Bore Diameter 2 7 mm


BoreDiameter 2 3

OD 6 10 10 8

Width 3 4 4 4 4 4 5 5 5 5 5 4 3 5 4 5 5 5 5 5 5 6 6 6 6 6 3,5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 7 3,5 5 5 6 6 6 6 6 7 7 7 692ZZ 623 623ZZ 693ZZ 694ZZ 604ZZ 624ZZ 634DD 634 634ZZ E4 684ZZ 685 685ZZ 695ZZ 605ZZ 625DD 625 625Z 625ZZ E5 135 635DD 635 635VV 635ZZ 686 686DD 686ZZ 696DD 696ZZ 606DD 606 606VV 606ZZ 126 626DD 626 626VV 626Z 626ZZ E6 687 687ZZ 697ZZ 607DD 607 607VV 607Z 607ZZ 127WA 627DD 627

PartNumber

Type B1 B B1 B1 B1 B1 B1 B2 B B1 D1 B1 B B1 B1 B1 B2 B B1 B1 D1 G B2 B B6 B1 B B2 B1 B2 B1 B2 B B6 B1 G B2 B B6 B1 B1 D1 B B1 B1 B2 B B6 B1 B1 G B2 B

BearingType Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Double Row Self Aligning Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Double Row Self Aligning Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Double Row Self Aligning Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings

BoreDiameter 7

OD 22 22 22 22 16 16 16 19 19 22 22 22 22 22 22 22 24 24 24 24 24 28

Width 7 7 7 7 4 5 5 6 6 7 7 7 7 7 7 7 7 8 8 8 8 9 4 5 6 7 7 7 7 7 7 8 8 8 8 8 8 5 5 5 5 7 6 6 6 6 9 11 16 16 16 16 8 8 8 8 627VV 627Z 627ZZ E7 688 688VV 688ZZ 698DD 698ZZ 108WA 608DU 608DD 608 608VV 608Z 608ZZ E8 628DD 628 628VV 628ZZ 638ZZ 689 689ZZ 699DD 609DD 609D 609 609VV 609Z 609ZZ 129WA 629DD 629 629VV 629ZZ E9 6800 6800DD 6800VV 6800ZZ 63800ZZ 6900 6900DD 6900VV 6900ZZ 51100

PartNumber

Type B6 B1 B1 D1 B B6 B1 B2 B1 G B2 B2 B B6 B1 B1 D1 B2 B B6 B1 B1 B B1 B2 B2 B2 B B6 B1 B1 G B2 B B6 B1 D1 B B2 B6 B1 B1 B B2 B6 B1 E E D D D D B B2 B2 B6

BearingType Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Double Row Self Aligning Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Double Row Self Aligning Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Thrust Ball Bearings Thrust Ball Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings

4

11 12 13 16 16 16 16 9

8

5

11 11 13 14 16 16 16 16 16 19 19 19 19 19

9

17 17 20 24 24 24 24 24 24 26 26 26 26 26 28

6

13 13 13 15 15 17 17 17 17 19 19 19 19 19 19 21

10

19 19 19 19 19 22 22 22 22 24 26 26 26 26 26 26 26 26 26

7

14 14 17 19 19 19 19 19 22 22 22

51200 7000A5TRDULP3 7000A5TRDUMP3 7000CTRDULP3 7000CTRDUMP3 6000 6000D 6000DDU 6000VV

28



Selection by Dimensions (Metric)Bore Diameter 12 mm

BoreDiameter 10

OD 26 26 26 26 28 28 28 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 32 32 32 35 35 35 35 35 35 35 35 35

Width 8 8 8 8 13 8 8 14 14 14 14 14 14 14 18 18 18 18 9 9 9 9 9 9 9 9 9 9 9 9 9 14 14 22 11 11 11 11 11 11 11 11 17 7 5 5 5 5 6 6 6 6 9 11 12 12 7 8 6000Z 6000ZZ 6000ZZNR 7000BM 53200 16100 E10

PartNumber

Type B1 B1 B4 D E1 B D1 G M M2 M1 M L L D D D D G B B2 B5 B2 B B6 B1 B4 B1 B4 D D M6 M7 N G B B2 B2 B6 B1 B1 D G D1 B B2 B6 B1 B B2 B6 B1 E E B2 B1 B B

BearingType Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Thrust Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Double Row Self Aligning Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Ball Bearings Double Row Ball Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Double Row Self Aligning Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Thrust Ball Bearings Double Row Self Aligning Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Double Row Self Aligning Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Thrust Ball Bearings Thrust Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings

BoreDiameter 12

OD 28 28 28 28 28 28 28 28 28 30 30 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 35 35 37 37 37 37 37 37 37 37 37 37 37 37

Width 8 8 8 8 8 8 8 8 8 13 8 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 14 14 14 14 14 14 14 15,9 15,9 15,9 15,9 20 20 20 20 7 7 15,9 15,9 12 12 12 12 12 12 12 12 12 12 17 17

PartNumber 6001DDU 6001DU 6001VV 6001Z 6001ZZ 7001A5TRDULP3 7001A5TRDUMP3 7001CTRDULP3 7001CTRDUMP3 53201 16101 1201J 1201TN 6201 6201DDU 6201DDUNR 6201DU 6201N 6201NR 6201VV 6201Z 6201ZNR 6201ZZ 6201ZZNR 7201BEAT85 7201BEAT85SUN 7201BW 7201BWG 2201J 2201-2RSTN 2201ETN 2201M 4201J 4201BTN 62201DDU 3201J 3201B-2RSTN 3201B-2ZTN 3201BTN 7201A5TRDULP3 7201A5TRDUMP3 7201CTRDULP3 7201CTRDUMP3 E12 EN12 LB3201B-2ZRSTN LZ3201B-2ZRSTN 1301J 6301 6301DDU 6301DU 6301VV 6301Z 6301ZZ 7301BEAT85 7301BEAT85SUN 7301BW 2301J 2301M

Type B2 B2 B6 B1 B1 D D D D E1 B G G B B2 B5 B2 B3 B3 B6 B1 B4 B1 B4 D D D D G G2 G G L L B2 M M2 M1 M D D D D D1 D1 M6 M7 G B B2 B2 B6 B1 B1 D D D G G

BearingType Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Thrust Ball Bearings Single Row Radial Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Ball Bearings Double Row Ball Bearings Single Row Radial Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Self Aligning Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings

2200J 3200A 3200B-2RSTN 3200B-2ZTN 3200BTN 4200J 4200BTN 7200A5TRDULP3 7200A5TRDUMP3 7200CTRDULP3 7200CTRDUMP3 1200J 6200 6200DDU 6200DDUNR 6200DU 6200NR 6200VV 6200Z 6200ZNR 6200ZZ 6200ZZNR 7200BW 7200BWG LB3200B-2ZRSTN LZ3200B-2ZRSTN 52202 1300J 6300 6300DDU 6300DU 6300VV 6300Z 6300ZZ 7300BW 2300J E11 6801 6801DD 6801VV 6801ZZ 6901 6901DD 6901VV 6901ZZ 51101 51201 63001DDU 63001ZZ 16001 6001

11 12

32 21 21 21 21 24 24 24 24 26 28 28 28 28 28

30




BoreDiameter 13

OD 30 30

Width 7 7 8 24 5 5 5 7 7 7 7 9 12 18 18 18 18 8 9 9 9 9 9 9 9 9 9 9 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11,75 14 14 14 14 14 14 15 15,9 15,9 15,9 15,9 15,9 E13 EN13 E14 5 6802DD 6802VV 6802ZZ 6902 6902DD 6902VV 6902ZZ 51102

PartNumber

Type D1 D1 D1 6802B B2 B6 B1 B B2 B6 B1 E E D D D D B B B2 B5 B2 B3 B6 B1 B1 B4 D G G B B2 B5 B2 B3 B6 B1 B4 B1 B4 D D D D H1 H2 F G G2 G G L L E1 M M2 M1 M M1

BearingType Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Thrust Ball Bearings Thrust Ball Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Tapered Roller Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Ball Bearings Double Row Ball Bearings Thrust Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings

BoreDiameter 15

OD 35 35 35 35 35 40 40 40 40 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 62

Width 22 22 22 22 8 10 15,9 15,9 26 13 13 13 13 13 13 13 13 13 13 13 13 13 14,25 17 17 17 17 19 19 19 19 32 55 10 5 5 5 5 14 14 14 14 7 7 7 7 9 10 10 10 10 10 10 10 10 10 10 10 12

PartNumber 7202A5TRDULP3 7202A5TRDUMP3 7202CTRDULP3 7202CTRDUMP3 E15 BO15 LB3202B-2ZRSTN LZ3202B-2ZRSTN 52204 1302J 1302TN 6302 6302DDU 6302DDUNR 6302DU 6302VV 6302Z 6302ZZ 6302ZZNR 7302BEAT85 7302BW 7302BWG 30302J 2302J 2302-2RSTN 2302ETN 4302BTN 3302 3302B-2RSTN 3302B-2ZTN 3302BTN 54204 54405 E16 6803 6803DD 6803VV 6803ZZ 7903A5TRDULP3 7903A5TRDUMP3 7903CTRDULP3 7903CTRDUMP3 6903 6903DDU 6903VV 6903ZZ 51103 6003 6003DDU 6003DDUNR 6003DU 6003NR 6003VV 6003Z 6003ZNR 6003ZZ 6003ZZNR 7003AM 51203

Type D D D D D1 D1 M6 M7 N G G B B2 B5 B2 B6 B1 B1 B4 D D D F G G2 G L M M2 M1 M N1 N1 D1 B B2 B6 B1 D D D D B B2 B6 B1 E B B2 B5 B2 B3 B6 B1 B4 B1 B4 D E

BearingType Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Thrust Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Tapered Roller Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Thrust Ball Bearings Thrust Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Thrust Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Thrust Ball Bearings

14

35 15 24 24 24 28 28 28 28 28 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 35 35 35 35 35 35 35 35 35 35 35

51202 7002A5TRDULP3 7002A5TRDUMP3 7002CTRDULP3 7002CTRDUMP3 16002 6002 6002DDU 6002DDUNR 6002DU 6002NR 6002VV 6002Z 6002ZZ 6002ZZNR 7002BM 1202J 1202TN 6202 6202DDU 6202DDUNR 6202DU 6202NR 6202VV 6202Z 6202ZNR 6202ZZ 6202ZZNR 7202BEAT85 7202BEAT85SUN 7202BW 7202BWG NJ202W NU202W 30202 2202J 2202-2RSTN 2202ETN 2202M 4202J 4202BTN 53202 3202J 3202B-2RSTN 3202B-2ZTN 3202BTN 3202BZTN

16 17

38 26 26 26 26 30 30 30 30 30 30 30 30 30 35 35 35 35 35 35 35 35 35 35 35 35

15

35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35

32




BoreDiameter 17

OD 35 35 35 35 35 38 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 44 44 47 47 47 47 47 47 47 47 47 47 47 47 47 47

Width 20 20 20 20 8 15 10 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 13,25 16 16 16 16 16 16 17,25 17,46 17,5 17,5 17,5 17,5 24 24 24 24 11 11 14 14 14 14 14 14 14 14 14 14 14 14 14 14

PartNumber 7003A5TRDULP3 7003A5TRDUMP3 7003CTRDULP3 7003CTRDUMP3 16003 53203 L17 1203J 1203TN 6203 6203DDU 6203DDUNR 6203DU 6203NR 6203VV 6203Z 6203ZNR 6203ZZ 6203ZZNR 7203BEAT85 7203BEAT85SUN 7203BW 7203BWG N203W NF203W NJ203W NU203W 30203J 2203J 2203-2RSTN 2203ETN 2203M 4203J 4203BTN 32203J LDJK17TNH 3203J 3203B-2RSTN 3203B-2ZTN 3203BTN 7203A5TRDULP3 7203A5TRDUMP3 7203CTRDULP3 7203CTRDUMP3 BO17 E17 1303J 1303TN 6303 6303DDU 6303DU 6303NR 6303VV 6303Z 6303ZNR 6303ZZ 6303ZZNR 7303BEAT85 7303BEAT85SUN 7303BW

Type D D D D B E1 D1 G G B B2 B5 B2 B3 B6 B1 B4 B1 B4 D D D D H H4 H1 H2 F G G2 G G L L F P1 M M2 M1 M D D D D D1 D1 G G B B2 B2 B3 B6 B1 B4 B1 B4 D D D

BearingType Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Thrust Ball Bearings Single Row Radial Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Tapered Roller Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Ball Bearings Double Row Ball Bearings Tapered Roller Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings

BoreDiameter 17

OD 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 62 62

Width 14 15 15,25 17,5 17,5 19 19 19 19 19 20,25 22,2 22,2 22,2 22,2 22,23 28 28 28 30 17 17 9 9 7 7 7 7 10 18 18 18 18 9 9 9 9 9 14 12 12 12 12 12 12 12 12 12 12 12 12 15 17 24 24 24 24 24 8

PartNumber 7303BWG 17TAC47BSUC10PN7B 30303J LB3203B-2ZRSTN LZ3203B-2ZRSTN 2303J 2303-2RSTN 2303TN 4303J 4303BTN 32303 3303J 3303B-2RSTN 3303B-2ZTN 3303BTN MDJK17M 7303CTDULP4 7303ETDULP4 7303ETDUMP4 BSB017047DUHP3 6403 6403ZZ E18 E19 6804 6804DD 6804VV 6804ZZ 51104 7904A5TRDULP3 7904A5TRDUMP3 7904CTRDULP3 7904CTRDUMP3 6904 6904DDU 6904VV 6904Z 6904ZZ 51204 6004 6004DDU 6004DDUNR 6004DU 6004NR 6004TCG12P4 6004TCG12P4 6004VV 6004Z 6004ZZ 6004ZZNR 7004AM 32004XJ 53204 7004A5TRDULP3 7004A5TRDUMP3 7004CTRDULP3 7004CTRDUMP3 T7004CTDULP3 16004

Type D D F M6 M7 G G2 G L L F M M2 M1 M P1 D D D D B B1 D1 D1 B B2 B6 B1 E D D D D B B2 B6 B1 B1 E B B2 B5 B2 B3 B B B6 B1 B1 B4 D F E1 D D D D D B

BearingType Single Row Angular Contact Ball Bearings Super Precision Bearings Tapered Roller Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Ball Bearings Double Row Ball Bearings Tapered Roller Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Thrust Ball Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Thrust Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Tapered Roller Bearings Thrust Ball Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings

18 19 20

40 40 32 32 32 32 35 37 37 37 37 37 37 37 37 37 40 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

34




BoreDiameter 20

OD 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 50 52 52 52 52

Width 12 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 15 15,25 18 18 18 18 18 18 18 18 18 18 18 19,25 20,6 20,6 20,6 20,6 20,64 28 28 28 28 28 30 31,75 40 36 15 15 15 15

PartNumber E20 1204J 1204KTN 1204TN 6204 6204DDU 6204DDUNR 6204DU 6204NR 6204TCG12P4 6204TCG12P4 6204VV 6204Z 6204ZNR 6204ZZ 6204ZZNR 7204BEAT85 7204BEAT85SUN 7204BW 7204BWG L20 N204ET N204W NF204W NJ204ET NJ204W NU204ET NU204W NUP204W 20TAC47BSUC10PN7B 30204J 2204J 2204-2RSTN 2204EKTN 2204ETN 2204KJ 2204M 4204J 4204BTN 51304 NJ2204W NU2204W 32204J 3204B-2RSTN 3204B-2ZTN 3204BTN 3204J LDJK20M 52205 7204A5TRDULP3 7204A5TRDUMP3 7204CTRDULP3 7204CTRDUMP3 BSB020047DUHP3 BSB078DUHP3 11204TN 54205 1304J 1304KJ 1304TN 21304CDE4

Type D1 G G1 G B B2 B5 B2 B3 B B B6 B1 B4 B1 B4 D D D D D1 H H H4 H1 H1 H2 H2 H3 D F G G2 G1 G G1 G L L E H1 H3 F M2 M1 M M P1 N D D D D D D G4 N1 G G1 G K

BearingType Single Row Radial Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Radial Ball Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Super Precision Bearings Tapered Roller Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Ball Bearings Double Row Ball Bearings Thrust Ball Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Tapered Roller Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Thrust Ball Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Double Row Self Aligning Ball Bearings Thrust Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Spherical Roller Bearings

BoreDiameter 20

OD 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 55 72 75

Width 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 16,25 20,6 20,6 21 21 21 21 21 21 22,2 22,2 22,2 22,2 22,23 22,25 30 30 30 30 34 42 19 62 12 12 12 12 15 14 14 14 16 16 16 16 7 7

PartNumber 6304 6304DDU 6304DDUNR 6304DU 6304NR 6304TBR12P4 6304VV 6304Z 6304ZNR 6304ZZ 6304ZZNR 7304BEAT85 7304BEAT85SUN 7304BW 7304BWG N304W NF304ET NF304W NJ304ET NJ304W NU304ET NU304W 30304J LB3204B-2ZRSTN LZ3204B-2ZRSTN 2304J 2304-2RSTN 2304KJ 2304M 4304J 4304BTN 3304J 3304B-2RSTN 3304B-2ZTN 3304BTN MDJT20M 32304J 7304CTDULP4 7304CTDUMP4 7304ETDULP4 7304ETDUMP4 52305 54305 6404 54406 60/22 60/22DDU 60/22Z 60/22ZZ 320/22XJ 62/22 62/22DDU 62/22ZZ 63/22 63/22DDU 63/22N 63/22NR 6805 6805DD

Type B B2 B5 B2 B3 B B6 B1 B4 B1 B4 D D D D H H4 H4 H1 H1 H2 H2 F M6 M7 G G2 G1 G L L M M2 M1 M P F D D D D N N1 B N1 B B2 B1 B1 F B B2 B1 B B2 B B3 B B2

BearingType Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Tapered Roller Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Ball Bearings Double Row Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Tapered Roller Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Thrust Ball Bearings Thrust Ball Bearings Single Row Radial Ball Bearings Thrust Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Tapered Roller Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings

22

44 44 44 44 44 50 50 50 56 56 56 56

25

37 37

36




BoreDiameter 25

OD 37 37 42 42 42 42 42 42 42 42 42 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 50 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52

Width 7 7 11 18 18 18 18 9 9 9 9 12 12 12 12 12 12 12 12 12 12 12 12 12 12 15 15 17 24 24 24 24 24 8 19 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 6805VV 6805ZZ

PartNumber

Type B6 B1 E D D D D B B2 B6 B1 B B2 B5 B2 B3 B B B6 B1 B4 B1 B4 D H2 E F F D D D D D B E1 G G1 G1 G B B2 B5 B2 B3 B B B6 B1 B4 B1 B4 D D D D C H H H4 H1

BearingType Single Row Radial Ball Bearings Single Row Radial Ball Bearings Thrust Ball Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Cylindrical Roller Bearings Thrust Ball Bearings Tapered Roller Bearings Tapered Roller Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Thrust Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Radial Ball Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings

BoreDiameter 25

OD 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 55 60 60 62 62 62 62 62 62 62 62 62 62 62 62

Width 15 15 15 15 15 15 16,25 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 19,25 20,6 20,6 20,6 20,6 20,6 20,6 20,64 20,64 25 29 30 30 30 30 44 37 24 38 15 17 17 17 17 17 17 17 17 17 17 17

PartNumber NJ205EW NU205EM NU205ET NU205EW NUP205ET NUP205EW 30205J 2205J 2205-2RSTN 2205EKTN 2205ETN 2205KJ 2205K-2RSTN 22205CE4 22205CKE4 22205EJW33 22205EKJW33 4205J 4205BTN 51305 62205DDU N2205W NJ2205ET NJ2205W NU2205ET NU2205M NU2205W NUP2205ET NUP2205M NUP2205W 32205J 3205B-2RSNRTN 3205B-2RSTN 3205B-2ZTN 3205BNRTN 3205BTN 3205J LDJK25M LDJT25M 33205J 52206 7205A5TRDULP3 7205A5TRDUMP3 7205CTRDULP3 7205CTRDUMP3 11205TN 54206 51405 52306 25TAC62BSUC10PN7B 1305J 1305KJ 1305KTN 1305TN 21305CDE4 21305CDKE4 21305J 6305 6305DDU 6305DDUNR 6305DU

Type H1 H2 H2 H2 H3 H3 F G G2 G1 G G1 G3 K K1 K K1 L L E B2 H H1 H1 H2 H2 H2 H3 H3 H3 F M5 M2 M1 M3 M M P1 P F N D D D D G4 N1 E N D G G1 G1 G K K1 K B B2 B5 B2

BearingType Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Tapered Roller Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Spherical Roller Bearings Spherical Roller Bearings Spherical Roller Bearings Spherical Roller Bearings Double Row Ball Bearings Double Row Ball Bearings Thrust Ball Bearings Single Row Radial Ball Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Tapered Roller Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Tapered Roller Bearings Thrust Ball Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Double Row Self Aligning Ball Bearings Thrust Ball Bearings Thrust Ball Bearings Thrust Ball Bearings Super Precision Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Spherical Roller Bearings Spherical Roller Bearings Spherical Roller Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings

51105 7905A5TRDULP3 7905A5TRDUMP3 7905CTRDULP3 7905CTRDUMP3 6905 6905DDU 6905VV 6905ZZ 6005 6005DDU 6005DDUNR 6005DU 6005NR 6005TCG12P4 6005TCG12P4 6005VV 6005Z 6005ZNR 6005ZZ 6005ZZNR 7005AM NU1005M 51205 32005XJ 33005J 7005A5TRDULP3 7005A5TRDUMP3 7005CTRDULP3 7005CTRDUMP3 T7005CTDULP3 16005 53205 1205J 1205KJ 1205KTN 1205TN 6205 6205DDU 6205DDUNR 6205DU 6205NR 6205TCG12P4 6205TCG12P4 6205VV 6205Z 6205ZNR 6205ZZ 6205ZZNR 7205BEAT85 7205BEAT85SUN 7205BW 7205BWG BL205 N205ET N205W NF205W NJ205ET

38




BoreDiameter 25

OD 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 80 80 80

Width 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 18,25 18,25 20,6 20,6 24 24 24 24 24 24 24 24 24 24 24 24 24 24 25,25 25,4 25,4 25,4 25,4 25,4 25,4 25,4 25,4 29 30 34 34 34 34 46 21 21 21

PartNumber 6305N 6305NR 6305TBR12P4 6305VV 6305Z 6305ZNR 6305ZZ 6305ZZNR 7305BEAT85 7305BEAT85SUN 7305BW 7305BWG BL305 BL305ZNR BL305ZZ N305ET N305W NF305ET NF305W NJ305ET NJ305EW NU305ET NU305EW NUP305ET NUP305EW 30305J 31305J LB3205B-2ZRSTN LZ3205B-2ZRSTN 2305J 2305-2RSTN 2305KJ 2305KTN 2305M 2305TN 4305J 4305BTN NJ2305ET NJ2305W NU2305ET NU2305W NUP2305ET NUP2305W 32305J 3305B-2RSNRTN 3305B-2RSTN 3305B-2ZNRTN 3305B-2ZTN 3305BNRTN 3305BTN 3305J MDJK25M 53405 BSB025062DUHP3 7305CTDULP4 7305CTDUMP4 7305ETDULP4 7305ETDUMP4 54306 6405 6405ZZ 7405BMG

Type B3 B3 B B6 B1 B4 B1 B4 D D D D C C3 C2 H H H4 H4 H1 H1 H2 H2 H3 H3 F F M6 M7 G G2 G1 G1 G G L L H1 H1 H2 H2 H3 H3 F M5 M2 M4 M1 M3 M M P1 E1 D D D D D N1 B B1 D

BearingType Single Row Radial Ball Bearings Single Row Radial Ball Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Tapered Roller Bearings Tapered Roller Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Ball Bearings Double Row Ball Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Tapered Roller Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Thrust Ball Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Thrust Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings

BoreDiameter 25

OD 80 80 80 80 85

Width 21 21 21 21 69 12 12 16 16 16 16 16 16 20,25 18 18 18 18 7 7 7 7 11 18 18 18 18 9 9 9 9 9 9 9 9 16 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 17 19 20 26 N405W NF405W NJ405W NU405W 54407 60/28 60/28DD 320/28XJ 62/28 62/28DDU 62/28NR 62/28ZNR 62/28ZZ 322/28 63/28 63/28N 63/28NR 63/28ZZ 6806 6806DD 6806VV 6806ZZ

PartNumber

Type H H4 H1 H2 N1 B B2 F B B2 B3 B4 B1 F B B3 B3 B1 B B2 B6 B1 E D D D D B B2 B6 B1 D D D D E B B2 B5 B2 B3 B B B6 B1 B4 B1 B4 D D D D D D H2 F I E1 D

BearingType Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Thrust Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Tapered Roller Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Tapered Roller Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Thrust Ball Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Thrust Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Super Precision Bearings Super Precision Bearings Single Row Angular Contact Ball Bearings Super Precision Bearings Super Precision Bearings Cylindrical Roller Bearings Tapered Roller Bearings Super Precision Bearings Thrust Ball Bearings Super Precision Bearings

28

52 52 52 58 58 58 58 58 58 68 68 68 68

30

42 42 42 42 47 47 47 47 47 47 47 47 47 47 47 47 47 53 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55

51106 7906A5TRDULP3 7906A5TRDUMP3 7906CTRDULP3 7906CTRDUMP3 6906 6906DDU 6906VV 6906ZZ 7906A5TRV1VSULP3 7906A5TRV1VSUMP3 7906CTRV1VSULP3 7906CTRV1VSUMP3 51206 6006 6006DDU 6006DDUNR 6006DU 6006NR 6006TCG12P4 6006TCG12P4 6006VV 6006Z 6006ZNR 6006ZZ 6006ZZNR 7006AM 7006A5TRV1VSULP3 7006A5TRV1VSUMP3 7006BM 7006CTRV1VSULP3 7006CTRV1VSUMP3 NU1006M 32006XJ NN3006MBKRE3CC1P4 53206 7006A5TRDULP3

40




BoreDiameter 30

OD 55 55 55 55 55 60 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62

Width 26 26 26 26 9 21 15 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 17,25 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 21,25

PartNumber 7006A5TRDUMP3 7006CTRDULP3 7006CTRDUMP3 T7006CTDULP3 16006 51306 30TAC62BSUC10PN7B 1206J 1206KJ 1206KTN 1206TN 6206 6206DDU 6206DDUNR 6206DU 6206NR 6206TCG12P4 6206TCG12P4 6206VV 6206Z 6206ZNR 6206ZZ 6206ZZNR 7206BEAT85 7206BEAT85SUN 7206BW 7206BWG BL206 BL206ZNR BL206ZZ N206ET N206W NF206W NJ206ET NJ206EW NU206ET NU206EW NUP206ET NUP206EW 30206J 2206J 2206-2RSTN 2206EKTN 2206ETN 2206KJ 2206K-2RSTN 22206CE4 22206CKE4 22206EJW33 22206EKJW33 4206J 4206BTN NJ2206ET NJ2206W NU2206ET NU2206M NU2206W NUP2206ET NUP2206M NUP2206W 32206J

Type D D D D B E D G G1 G1 G B B2 B5 B2 B3 B B B6 B1 B4 B1 B4 D D D D C C3 C2 H H H4 H1 H1 H2 H2 H3 H3 F G G2 G1 G G1 G3 K K1 K K1 L L H1 H1 H2 H2 H2 H3 H3 H3 F

BearingType Super Precision Bearings Super Precision Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Thrust Ball Bearings Super Precision Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Super Precision Bearings Super Precision Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Angular Contact Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Single Row Radial Ball Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Tapered Roller Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Double Row Self Aligning Ball Bearings Spherical Roller Bearings Spherical Roller Bearings Spherical Roller Bearings Spherical Roller Bearings Double Row Ball Bearings Double Row Ball Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Cylindrical Roller Bearings Tapered Roller Bearings

BoreDiameter 30

OD 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 65 68 68 70 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72

Width 23,8 23,8 23,8 23,8 23,8 23,8 23,8 23,81 23,81 25 25 30 32 32 32 32 32 34 48 42 36 44 28 15 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 20,75 20,75

PartNumber 3206B-2RSNRTN 3206B-2RSTN 3206B-2ZNRTN 3206B-2ZTN 3206BNRTN 3206BTN 3206J LDJK30M LDJT30M 53306 33206J BSB030062DUHP3 7206A5TRDULP3 7206A5TRDUMP3 7206CTRDULP3 7206CTRDUMP3 BSB2030DUHP3 52207 11206TN 54207 52208 52307 51406 30TAC72BSUC10PN7B 1306J 1306KJ 1306KTN 1306TN 21306CDE4 21306CDKE4 21306J 6306 6306DDU 6306DDUNR 6306DU 6306N 6306NR 6306TBR12P4 6306VV 6306Z 6306ZN 6306ZNR 6306ZZ 6306ZZNR 7306BEAT85 7306BEAT85SUN 7306BW 7306BWG N306ET N306W NF306ET NF306W NJ306ET NJ306EW NU306ET NU306EW NUP306ET NUP306EW 30306J 31306J

Type M5 M2 M4 M1 M3 M M P1 P E1 F D D D D D D N G4 N1 N N E D G G1 G1 G K K1 K B B2 B5 B2 B3 B3 B B6 B1 B4 B4 B1 B4 D D D D H H H4 H4 H1 H1 H2 H2 H3 H3 F F

BearingType Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double Row Angular Contact Ball Bearings Double

Bearing Replacement Guide Uk

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