Linear Bush - CBM Ind Bushings, Shafts and... · 2007. 4. 27. · Linear Bush Structure and...

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LinearBush

Linear Bush

Structure and Features

LM shaft

Retainer

Nut

Ball

Seal

日本特許番号第2607993号

Linear Bush model LM is a linear motion system used in combination with a cylindrical LM shaft

to perform infinite linear motion. The balls under a load are in point contact with the LM shaft.

This allows linear motion with minimal friction resistance and achieves highly accurate and

smooth motion despite, the small permissible load.

The nut uses high-carbon chromium bearing steel and its outer and inner surfaces are ground

after being heat-treated.

●InterchangeabilitySince the dimensional tolerances of the Linear Bush's components are standardized, they are

interchangeable. The LM shaft is machined through cylindrical grinding, which can easily be

performed, and it allows highly accurate fitting clearance to be achieved.

●Highly accurate retainer plateSince the retainer, which guides three to eight rows of balls, is integrally molded, it is capable

of accurately guiding the balls in the traveling direction and achieving stable running accuracy.

Small-diameter types use integrally molded retainers made of synthetic resin. It reduces noise

generated during operation and allows superb lubrication.

●Wide array of typesA wide array of types are available, such as standard type, clearance-adjustable type, open

type, long type and flanged LM case unit, allowing the user to select a type that meets the

intended use.

Fig. 1 Structure of Linear Bush Model LM … UU

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ApplicationsThe Linear Bush is used in a wide array of applications such as precision equipment including

OA equipment and peripherals, measuring machines, automatic recorder and digital 3D mea-

surement machine, and the slide units of industrial machinery including multi-axis drilling

machine, punching press, tool grinder, automatic gas cutting machine, printing machine, card

selector and food packing machine.

c. Dimensions of the Linear Bush

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LinearBush

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With the Linear Bush nut having the most accuratecylindrical shape, this type is widely used.There are two series of the Linear Bush in dimen-sional group.Type LM ……………Millimeter-dimension series used

most widely in JapanType LM-MG………Stainless steel version of type LMType ME……………Millimeter-dimension series com-

monly used in Europe

Types and FeaturesStandard Type Open Type

Long Type

Containing two units of the standardretainer plate, this type is optimal for loca-tions where a moment load is present andreduces man-hours in installation.Model LM-L ……… standard type

The nut is partially cut open by one row ofballs (50 t゚o 80 )゚. This enables the LinearBush to be used even in locations wherethe LM shaft is supported by a column orfulcrum. In addition, a clearance can easilybe adjusted.Types LM-OP/LME-OPType LM-MG-OP

Seal Type Clearance-adjustable Type

This type has the same dimensions as thestandard type, but the nut has a slit in thedirection of the LM shaft. This allows thelinear bush to be installed in a housingwhose inner diameter is adjustable, andenables the clearance between the LMshaft and the housing to easily be adjusted.Models LM-AJ/LME-AJModel LM-MG-AJ

This type has the same dimensions as the standardtype, but a special synthetic rubber seal is incorporatedinto both ends or either end of the linear bush, thus toprevent foreign matter from entering the linear bush andminimize leaking of the grease.Models LM … UU/LME … UU/LM … MGUU(The symbol for type with its one side having a seal: "U")A seal is also available for some of the clearance-adjustable types and the open types.

c-6

The nut of the standard type Linear Bush isintegrated with a flange. This enables theLinear Bush to be directly mounted ontothe housing with bolts, thus achieving easyinstallation. Model LMF ………… standard typeModel LMF-M ……… made of stainless steel

Flanged Type (Circular)

Flanged Type (Circular) - Long

Flanged Type (Square)

Flanged Type (Small)

The nut is integrated with a small flange.Since the height is lower than model LMK,compact design is allowed. Since the rowsof balls in the Linear Bush are arranged sothat two rows receive the load from thef lat side, a long service l i fe can beachieved.Model LMH ……… standard type

Flanged Type (Small) - Long

The flange is smaller and lower than modelLMK-L, allowing compact design. Containingtwo units of the standard retainer plate, thistype is optimal for locations where amoment load is present. Since the rows ofballs in the Linear Bush are arranged so thattwo rows receive the load from the flat side,a long service life can be achieved.Model LMH-L ……… standard type

Flanged Type (Square) - Long

Like model LMF-L, this type also has aflange, but the flange is cut to a squareshape. Since the height is lower than thecircular flange type, compact design isallowed.Model LMK-L ………… standard typeModel LMK-ML ……… made of stainless steel

Like model LMF, this type also has a flange,but the flange is cut to a square shape.Since the height is lower than the circularflange type, compact design is allowed.Model LMK ………… standard typeModel LMK-M ……… made of stainless steel

The nut of the long type Linear Bush is inte-grated with a flange. This enables the LinearBush to be directly mounted onto the hous-ing with bolts, thus achieving easy installa-tion. Containing two units of the standardretainer plate, this type is optimal for loca-tions where a moment load is present.Model LMF-L ………… standard typeModel LMF-ML ……… made of stainless steel


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LinearBush

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It is a case unit where the standard type ofLinear Bush is incorporated into a small,lightweight aluminum casing. This modelcan easily be mounted simply by securingit to the table with bolts.

LM Case Unit Type Model SC

LM Case Unit Type Model SH

LM Case Unit Type (Long) Model SL

LM Shaft Support Type Model SK

An aluminum-made light fulcrum for secur-ing an LM shaft. The LM shaft mountingsection has a slit, enabling the linear bushto firmly secure an LM shaft using bolts.

LM Case Unit Type (Long) Model SH-L

A long version of model SH, this model is acase unit that contains two units of thestandard type Linear Bush in an aluminumcasing.

A long version of model SC, this model con-tains two units of the standard type LinearBush in an aluminum casing.

It is a case unit where the standard type ofLinear Bush is incorporated into a smallerand lighter aluminum casing than modelSC. This model allows even more compactdesign than model SC. It also has flexibili-ty in mounting orientation. Additionally, itis structured so that two rows of ballsreceive the load from the top of the casing,allowing a long service life to be achieved.

Flexibly mountable type Flexibly mountable type

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manufactures high quality, dedicated LM shafts for Linear Bush model LM series in

short delivery time.

Standard LM Shafts

also manufactures hollow LM shafts and those LM shafts with their ends specially

treated like ones shown in the photo at your request.

Build-to-order LM Shafts


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LinearBush

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Accuracy StandardsThe accuracy of the Linear Bush in inscribed circle diameter, outer diameter, width and eccen-

tricity is described in the corresponding dimensional table. The accuracy of model LM in

inscribed circle diameter and eccentricity is classified into high grade (no symbol) and preci-

sion grade (P) (accuracy symbol is expressed at the end of each model number).

The accuracy of clearance-adjustment type (-A-J) and open type (-OP) in inscribed circle diam-

eter and eccentricity indicates the value before division.

Dedicated Shafts for Model LMThe LM shaft of the Linear Bush needs to be manufactured with much consideration for hard-

ness, surface roughness and dimensional accuracy of the shaft since balls roll directly on it.

manufactures dedicated LM shafts for the Linear Bush. See the dimensional table for

standard LM shafts on page c-11.

Among other factors, the surface hardness of an LM shaft affects the service life of your

Linear Bush system most significantly. Therefore, take much care in selecting a material and a

heat treatment method when assembling the system. In addition, as the surface hardness of

the LM shaft greatly affects the service life as stated above, use care in selecting and/or han-

dling a material and heat treatment.

●MaterialGenerally, the following materials are used as suitable for surface hardening through induction

quenching.

SUJ2 (JIS G 4805, high-carbon chromium bearing steel)

SK3 to 6 (JIS G 4401, carbon tool steel)

S55C (JIS G 4051, carbon steel for machine structural use)

For special applications, martensitic stainless steel SUS440C, which is corrosion resistant,

may also be used.

●HardnessWe recommend surface hardness of 58 HRC (≒ 653 HV) or higher. The depth of the hardened

layer is determined by the size of the Linear Bush; we recommend approximately 2 mm for gen-

eral use.

●Roughness of the surfaceTo achieve smooth motion, the surface should preferably be finished to 0.40a or less.

c-10

●Dimensions of a HollowLM Shaft

If a hollow LM shaft is required for purposes

such as weight reduction, use the desired

material from table 1 of dimensions of hollow

LM shafts that keeps in stock.

Models marked with "**" are build-to-order

items.

φd

φd4

Table 1 Dimensions of Hollow LM Shafts

Model No.

LM 8

LM 10

LM 12

LM 13

LM 16

LM 20

LM 20

LM 25

LM 30

LM 35

**LM 38

LM 40

LM 50

LM 60

**LM 80

**LM 100

8

10

12

13

16

20

20

25

30

35

38

40

50

60

80

100

3

4

6

7

9

10

14

15

16

20

22

22

25

32

52.5

67.5

0.4

0.6

0.7

0.8

1.1

1.9

1.3

2.5

4

5.1

6

6.9

11.6

16

22.6

33.7

Unit: mm

LM shaft outerdiameterd

Inner diameter

d4

Mass

（kg/m）

c11


c-11

LinearBush

SF 3

SF 4

SF 5

SF 6

SF 8

SF 10

SF 12

SF 13

SF 16

SF 20

SF 25

SF 30

SF 35

SF 38

SF 40

SF 50

SF 60

SF 80

SF 100

LM 3

LM 4

LM 5

LM 6

LM 8, 8S

LM 10

LM 12

LM 13

LM 16

LM 20

LM 25

LM 30

LM 35

LM 38

LM 40

LM 50

LM 60

LM 80

LM 100

3

4

5

6

8

10

12

13

16

20

25

30

35

38

40

50

60

80

100

◎

◎

◎

◎

◎

◎

◎

◎

– 4

–12

– 2– 8

– 5

–14

– 6

–17

– 7

–20

– 9

–25

–10

–29–12–34

Standard LM Shaftsmanufactures high quality, dedicated

LM shafts for Linear Bush model LM series in

short delivery time.

①・Major materials: THK5SP

(THK standard material)

SUJ2

(high-carbon chromium bearing

steel)

①・Hardness: HRC58 to 64

①・Hardened layer depth: 0.8 to 2.5 mm

(varies with shaft diameter)

①・Surface roughness: 0.20a to 0.40a

①・Straightness of the LM shaft: 50μm/300 mm or less

② Precision-grade LM shafts with shaft diameter toler-

ance of g5 or h5 are also manufactured as standard.

③ Corrosion-resistant, martensitic stainless steel LM

shafts are also available.

④ When asking an estimate or placing an order, refer to

the model number coding shown on the left.

Model number coding SF25 g6 -500L K

zModel numberxLM shaft outer diameter tolerancecOverall LM shaft length (in mm)vSpecial symbol - no symbol: solid shaft;

K : standard hollow shaftM: special material; F : with surface treatment*If two or more symbols aregiven, they are shown in analphabetical order.

z x c v

Lφd

Shaft diameterModel No.

Overall LM shaft length: L mm

d 100

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

200

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

300

◎

◎

◎

◎

◎

◎

◎

◎

◎

400

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

500

◎

◎

◎

◎

◎

◎

◎

◎

○

◎

◎

600

◎

◎

◎

◎

◎

◎

◎

700

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

800

◎

◎

◎

◎

◎

◎

◎

○

◎

◎

○

○

○

1000

◎

◎

◎

◎

◎

○

◎

◎

○

○

○

1200

◎

◎

◎

◎

◎

1300

◎

◎

◎

◎

◎

◎

◎

1500

◎

◎

○

◎

◎

○

○

○

2000

○

○

○

○

○

3000SupportedmodelTolerance

g6μm

Note: ◎ indicates standard stock; ○ indicates semi-standard stock.

c-12

Specially Machined Typesalso supports special machining processes such as tapping, milling, threading, through

drilling and joggling, as shown in the figure below, at your request.

Table of Rows of Balls and Masses for Clearance-adjustable Types and Open Types of the Linear Bush

Tapped for support Tapped

KeywayJoggled

FlatThreaded

Shaft diameter

6

8

10

12

13

16

20

25

30

35

38

40

50

60

80

100

120

LM 6-AJ

LM 8S-AJ

LM 8-AJ

LM 10-AJ

LM 12-AJ

LM 13-AJ

LM 16-AJ

LM 20-AJ

LM 25-AJ

LM 30-AJ

LM 35-AJ

LM 38-AJ

LM 40-AJ

LM 50-AJ

LM 60-AJ

LM 80-AJ

LM 100-AJ

LM 120-AJ

4

4

4

4

4

4

5（4）

5

6（5）

6

6

6

6

6

6

6

6

8

7.8

10

14.7

29

31

42

68

85

216

245

384

475

579

1560

1820

4320

8540

14900

Model No.

Clearance-adjustable type Open type

Rows of ballsMass

g

—

—

—

—

LM 12-OP

LM 13-OP

LM 16-OP

LM 20-OP

LM 25-OP

LM 30-OP

LM 35-OP

LM 38-OP

LM 40-OP

LM 50-OP

LM 60-OP

LM 80-OP

LM 100-OP

LM 120-OP

—

—

—

—

3

3

4（3）

4

5（4）

5

5

5

5

5

5

5

5

6

—

—

—

—

25

34

52

69

188

210

350

400

500

1340

1650

3750

7200

11600

Model No. Rows of ballsMass

g

Note: The numbers of ball rows in the table apply to types using a resin retainer. Those of types using ametal retainer are indicated in parentheses.


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LinearBush

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Selection by Service Environment

■Grease LubricationWhen installing a type attached with seals on both sides (… UU) to the LM shaft, apply grease

to rows of balls in the Linear Bush.

When installing a standard type (without seal), perform the same as above or apply grease to

the LM shaft.

Afterward, replenish grease of the same type as necessary according to the service condi-

tions.

For grease, we recommend high-quality lithium-soap group grease No. 2.

●LubricationThe Linear Bush operates using grease or oil lubrication.

■Oil LubricationTurbine oil, machine oil and spindle oil are

commonly used.

When oiling the Linear Bush, drop oil on the

LM shaft, or infuse it from the greasing hole

on the housing as shown in Fig. 2.

Housing

Spacer

Fig. 2

●Dust PreventionEntrance of dust or other foreign matter into the Linear Bush will cause abnormal wear or

shorten the service life. When entrance of dust or other foreign matter is predicted, it is impor-

tant to select an effective sealing device or dust-control device that meets the atmospheric

conditions.

For the Linear Bush, a special synthetic rubber seal that is highly resistant to wear and a felt

seal (highly dust preventive with low seal resistance) are available as dust prevention acces-

sories.

In addition, produces round bellows. Contact us for details.

■Felt Seal Model FLMLinear Bush model LM series include types equipped with a special synthetic rubber seal (LM

…UU, U). If desiring to have an additional dust prevention measure, or desiring to lower the

seal resistance, use the felt seal model FLM (see table 5 on page c-20).

c-14

Assembling the Linear Bush●Housing Inner-diameterDimensions

Table 2 shows housing inner-diameter toler-

ances recommended for the Linear Bush.

When fitting the Linear Bush with the hous-

ing, clearance fitting is normally recommend-

ed. If the clearance needs to be smaller, pro-

vide transition fitting.

Table 2 Housing Inner-diameter Tolerance

LM

LME

LMF

LMK

LMH

LM-L

LMF-L

LMK-L

LMH-L

—

High grade(no symbol)

High grade (no symbol)

Precision grade(P)

Type

Model No. Accuracy

H7

H6

H7

H7

J7

J6

K6,J6

J7

Housing

Clearance fitting Transition fitting

●Clearance between theNut and LM Shaft

When using the Linear Bush with an LM shaft

in combination, normal clearance applies. If

the clearance needs to be smaller, close

clearance applies.

Note 1: If the clearance after installation is to benegative, it is preferable not to exceed theradial clearance tolerance indicated in thedimensional table.

Note 2: The tolerance of the shaft for case unitmodels SC, SL, SH and SH-L falls underhigh grade (no symbol).

Table 3. Shaft Outer-diameter Tolerance

LM

LME

LMF

LMK

LMH

LM-L

LMF-L

LMK-L

LMH-L

High grade (no symbol)

Precision grade(P)

High grade(no symbol)

—

Type

Model No. Accuracy

f6，g6

f5，g5

h7

f6，g6

h6

h5

k6

h6

LM shaft

Normal clearance Close clearance

●Material and Surface TreatmentFor the Linear Bush and the LM shaft, stainless steel types are available for some models.

It is also possible to provide surface treatment to the LM shaft. However, surface treatment

may not be suitable for some types. Contact for details.


c-15

LinearBush

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●Installing the NutAlthough the Linear Bush does not require a large strength for securing it in the LM shaft

direction, do not support the nut only with driving fitting.

For the housing inner-diameter tolerance, see table 2.

■Installing the Standard TypeFigures 3 and 4 show examples of installing

the standard type Linear Bush.

When securing the Linear Bush, use snap

rings or stopper plates.

Fig. 3 Snap Ring

Fig. 4 Stopper Plate

c-16

Model No.

LM 3

4

5

6

8

8S

10

12

13

16

20

25

30

35

38

40

50

60

80A

100A

120A

—

—

WR 10

12

—

—

19

21

23

28

32

40

45

52

—

—

—

—

—

—

—

—

—

10

12

15

15

19

21

22

—

—

40

45

52

56・58

60

80

90

120

（150）

（180）

AR 7

8

10

12

15

15

19

21

23

28

32

40

45

52

57

60

80

90

120

150

180

—

—

10

12

15

15

19

21

—

28

32

40

45

52

—

60

80

90

120

—

—

Snap ring

For outer surfaceNeedle snap ring

Needle snap ring

C-shapesnap ring

C-shapesnap ring

For inner surface

Snap Ring for InstallationTo secure Linear Bush model LM, snap rings

indicated in table 4 are available.

Note 1: For models indicated with parentheses,use C-shape concentric snap rings.

Note 2: The table commonly applies to models LM,LM-GA, LM-MG and LM-L.

Setscrews Not AllowedSecuring the nut by pressing the outer sur-

face with one setscrew as shown in Fig. 5

will cause the nut to be deformed.

SetscrewNut

Housing

Fig. 5

Table 4 Types of Snap Rings


c-17

LinearBush

c17

■Installing a Flanged TypeWith models LMF, LMK and LMH, the nut is integrated with a flange. Therefore, the Linear Bush

can be mounted only via the flange.

■Installing a Clearance-adjustableType

To adjust the clearance of a clearance-

adjustable type (-AJ), use a housing that

allows adjustment of the nut outer diameter

so as to facilitate the adjustment of the

clearance between the Linear Bush and the

LM shaft. Positioning the slit of the Linear

Bush at an angle of 90 w゚ith the housing's

slit will provide uniform deformation in the cir-

cumferential direction (see Fig. 6).

Nut mounted via socket and spigot joint Mounted via a flange only

Fig. 6

■Installing an Open TypeFor an open type (-OP), also use a housing

that allows adjustment of the nut outer diam-

eter as shown in Fig. 7.

Open types are normally used with a light

preload. Be sure not to give an excessive

preload.

Whirl-stop plate Whirl-stop plate

Housing

Adjustment bolt

Fig. 7

c-18

●Installing the Shaft SupportShaft support model SK can easi ly be

secured to the table using mounting bolts.

Model SK enables the LM shaft to firmly be

secured using tightening bolts.

Tightening bolt

Mounting boltWasher

Reference surface

THK SK30

●Installing an LM Case Unit■Attaching Model SC (SL)Since models SC and SL can be attached

from the top or bottom by simply tightening it

using bolts, the installation time can be short-

ened (see Fig. 8).

Fig. 8

■Attaching Model SH (SH-L)Since models SH and SHL can be attached

from the top or bottom by simply tightening it

using bolts, the installation time can be short-

ened (see Fig. 9).

Fig. 9

Basic installation

Alternative installation


c-19

LinearBush

c19

●Incorporating the NutWhen incorporating the standard Linear Bush

into a housing, use a jig and drive in the nut,

or use a flatter plate and gently hit the nut,

instead of directly hitting the side plate or

the seal (see Fig. 10).

D-0.3

dr-0.3

D : Nut outer diameter dr: Inscribed circle diameter

Fig. 10

●Inserting the LM ShaftWhen inserting the LM shaft into the Linear

Bush, align the center of the shaft with that

of the nut and gently insert the shaft

straightforward into the nut. If the shaft is

slanted while it is inserted, balls may fall off

or the retainer may be deformed (see Fig.

11).

●When Under a Moment LoadWhen using the Linear Bush, make sure the load is evenly distributed on the whole ball race-

way. In particular, if a moment load is applied, use two or more Linear Bush units on the same

LM shaft and secure an adequately large distance between the units.

If using the Linear Bush under a moment load, also calculate the equivalent radial load and iden-

tify the correct model number (see page C-11 of the " General Catalog - Technical

Descriptions of the Products," provided separately).

Fig. 11

●Rotational Use Not AllowedThe Linear Bush is not suitable for rotational

use for a structural reason (see Fig. 12).

Forcibly rotating it may cause an unexpected

accident.

Fig. 12

c-20

●Precautions on Installingan Open Three-ball-rowType Linear Bush

When installing an open three-ball-row type

Linear Bush, mount it while taking into

account the load distribution as indicated in

Fig. 13.

Load

LM12 13

Fig. 13

●Attaching Felt Seal ModelFLM

The felt seal can be press-fit into a housing

finished to H7, but cannot be used as a stop-

per for preventing the Linear Bush from com-

ing off. Be sure to use the felt seal by

attaching it as indicated in the figure on the

right.

Also make sure to impregnate the felt with

sufficient lubricant before attaching it.

■Dimensions of the Felt Seal

B

φDφd

Table 5 Major Dimensions of FLM

FLM 6

FLM 8

FLM 10

FLM 12

FLM 13

FLM 16

FLM 20

FLM 25

FLM 30

FLM 35

FLM 38

FLM 40

FLM 50

FLM 60

FLM 80

FLM 100

Applicable

model No.

6

8

10

12

13

16

20

25

30

35

38

40

50

60

80

100

12

15

19

21

23

28

32

40

45

52

57

60

80

90

120

150

LM 6

LM 8

LM 10

LM 12

LM 13

LM 16

LM 20

LM 25

LM 30

LM 35

LM 38

LM 40

LM 50

LM 60

LM 80

LM 100

Unit: mm

d D

2

2

3

3

3

4

4

5

5

5

5

5

10

10

10

10

B

Supported Linear

Bush model

Major dimensions


c-23

LinearBush

c23

c-22

Model LMModel LM

L

L2 L2

L1

φD0φD

h0

φdr φdrφdr

h1

θ°

Model LM Model LM-AJ Model LM-OP

Selecting a Model Number Refer to the " General Catalog - Technical Descriptions of the Products," provided separately

Model No. Major dimensions Eccentricity(max)μm

Radialclearancetolerance

Basic load rating

Inscribed circle diameter Outer diameter Length

Standard typeBallrows

Massg

Clearance-

adjustable typeOpen type L L1 L2 D0 h0 h1 θ° Precision High μm

CN

C0N

ToleranceTolerancePrecision/high

DdrHighPrecision

ToleranceTolerance

LM 3LM 4LM 5LM 6LM 8SLM 8LM 10LM 12LM 13LM 16LM 20LM 25LM 30LM 35LM 40LM 50LM 60

44444444455666666

1.41.948

11163031.5436987

220250390585

15802000

———

LM 6-AJLM 8S-AJLM 8-AJLM 10-AJLM 12-AJLM 13-AJLM 16-AJLM 20-AJLM 25-AJLM 30-AJLM 35-AJLM 40-AJLM 50-AJLM 60-AJ

———————

LM 12-OPLM 13-OPLM 16-OPLM 20-OPLM 25-OPLM 30-OPLM 35-OPLM 40-OPLM 50-OPLM 60-OP

345688

1012131620253035405060

0–0.005

0–0.006

0–0.007

0–0.008

0–0.009

0–0.008

0–0.009

0–0.010

0–0.012

0–0.015

78

101215151921232832404552608090

0–0.009

0–0.011

0–0.013

0–0.016

0–0.0190

–0.022

Unit: mm

101215191724293032374259647080

100110

0–0.12

0–0.2

0–0.3

——

10.213.511.517.522232326.530.54144.549.560.57485

——

0–0.2

0–0.3

——

1.11.11.11.11.31.31.31.61.61.851.852.12.12.63.15

——9.6

11.514.314.31820222730.53843495776.586.5

———11111.51.51.51.522.52.5333

———————89

1111121517202530

———————80806060505050505050

4448888888

10101012121217

888

1212121212121215151520202025

– 2– 3– 3– 5– 5– 5– 5– 5– 7– 7– 9– 9– 9–13–13–13–16

88.288.2

167206176265373412510775863980

15701670216038204710

108127206265225402549598775

1180137015702750314040207940

10000

Note Since this model contains a synthetic resin retainer, do not use it at temperature exceeding 80 C゚.If the ambient temperature exceeds 80 C゚, use the type equipped with a metal retainer (modelLM-GA).If requiring a type equipped with a seal, indicate it when placing an order.(Example) LM13 UU

Seal attached on both ends of the nut

Note When using the Linear Bush on a single shaft, use two or more units (instead of one unit) on thesame shaft to avoid a moment load, and secure a large distance between the units.


c-25

LinearBush

c25

c-24

L

d0

L2 L2

L1

φD0φD

Model LM-GAModel LM-GA

φdr φdr φdr

h1

Model LM-GA Model LM-GA-AJ Model LM-GA-OP

h0

θ°


Model No. M a j o r d i m e n s i o n s Eccentricity(max)

Greasinghole

μm


Basic loadrating



Massg

Clearance-

adjustable typeOpen type L L1 L2 D0 h0 h1 θ° d0 Precision High μm

CN

C0N


DdrHighPrecision

ToleranceTolerance

LM 6GALM 8SGALM 8GALM 10GALM 12GALM 13GALM 16GALM 20GALM 25GALM 30GALM 35GALM 38GALM 40GALM 50GALM 60GALM 80GALM 100GALM 120A

333344455666666668

811163031.5436987

220250390565585

1580200045208600

15000

————

LM 12GA-AJLM 13GA-AJLM 16GA-AJLM 20GA-AJLM 25GA-AJLM 30GA-AJLM 35GA-AJLM 38GA-AJLM 40GA-AJLM 50GA-AJLM 60GA-AJLM 80GA-AJLM 100GA-AJLM 120A-AJ

————

LM 12GA-OPLM 13GA-OPLM 16GA-OPLM 20GA-OPLM 25GA-OPLM 30GA-OPLM 35GA-OPLM 38GA-OPLM 40GA-OPLM 50GA-OPLM 60GA-OPLM 80GA-OPLM 100GA-OPLM 120A-OP

688

10121316202530353840506080

100120

0–0.006

0–0.007

0–0.008

0–0.0090

–0.010

0–0.009

0–0.010

0–0.012

0–0.0150

–0.020

121515192123283240455257608090

120150180

0–0.011

0–0.013

0–0.016

0–0.019

0–0.0220

–0.025

Unit: mm

19172429303237425964707680

100110140175200

13.511.517.522232326.530.54144.549.558.560.57485

105.5125.5158.6

1.11.11.11.31.31.31.61.61.851.852.12.12.12.63.154.154.154.15

11.514.314.31820222730.538434954.55776.586.5

116145175

————

1.51.51.5222.52.53333334

————7.59

111113151718202530405085

————8080606060505050505050505080

———2222.32.33333334445

8888888

1010101212121217172020

121212121212121515152020202025253030

– 5– 5– 5– 5– 5– 7– 7– 9– 9– 9–13–13–13–13–16–16–20–25

206176265373412510775863980

1570167021602160382047107350

1410016400

265225402549598775

11801370157027503140402040207940

10000160003480040000

0–0.2

0–0.3

0–0.4

0–0.2

0–0.3

0–0.4

Metal retainer type

Note If requiring a type equipped with a seal, indicate it when placing an order (seal heat resistance:80 C゚.)(Example) LM50GA UU


Note When using the Linear Bush on a single shaft, use two or more units (instead of one unit) on thesame shaft to avoid a moment load, and secure a large distance between the units.


c-27

LinearBush

c27

c-26

Model No. M a j o r d i m e n s i o n s Eccentricity(max)μm


Basic load rating



Massg

Clearance-

adjustable typeOpen type L L1 L2 D0 h0 h1 θ° Precision High μm

CN

C0N


DdrHighPrecision

ToleranceTolerance

LM 3MLM 4MLM 5M＊LM 6MG＊LM 8SMG＊LM 8MG＊LM 10MG＊LM 12MG＊LM 13MG＊LM 16MG＊LM 20MG＊LM 25MG＊LM 30MG＊LM 35MG＊LM 40MG

444444444455666

1.41.948

11163031.5436987

220250390585

———

LM 6MG-AJLM 8SMG-AJ＊LM 8MG-AJ＊LM 10MG-AJ＊LM 12MG-AJ＊LM 13MG-AJ＊LM 16MG-AJ＊LM 20MG-AJ＊LM 25MG-AJ＊LM 30MG-AJ＊LM 35MG-AJ＊LM 40MG-AJ

————————

＊LM 13MG-OP＊LM 16MG-OP＊LM 20MG-OP＊LM 25MG-OP＊LM 30MG-OP＊LM 35MG-OP＊LM 40MG-OP

345688

101213162025303540

0–0.005

0–0.006

0–0.007

0–0.008

0–0.008

0–0.009

0–0.010

0–0.012

78

10121515192123283240455260

0–0.009

0–0.011

0–0.013

0–0.016

0–0.019

Unit: mm

101215191724293032374259647080

0–0.12

0–0.2

0–0.3

——

0–0.2

0–0.3

——

10.213.511.517.522232326.530.541 44.549.560.5

——

1.11.11.11.11.31.31.31.6 1.6 1.851.852.1 2.1

——9.6

11.514.314.318202227 30.538 43 49 57

———11111.51.51.51.52 2.52.53

————————9

111112151720

————————80806050505050

4448888888

1010101212

888

121212121212121515152020

– 2– 3– 3– 5– 5– 5– 5– 5– 7– 7– 9– 9– 9–13–13

88.288.2

167206176265373412510775863980

157016702160

108127206265225402549598775

118013701570275031404020

L

L2 L2

L1

φD0φD

Model LM-MGModel LM-MG

φdr φdr φdr

h1

Model LM-MG Model LM-MG-AJ Model LM-MG-OP

θ°

h0

Stainless steel type


Note Since this model contains a synthetic resin retainer, do not use it at temperature exceeding 80 C゚.If the ambient temperature exceeds 80 C゚, use the type equipped with a metal retainer and indi-cate "A" at the end of the model number (for those marked with ＊ in the table, metal retainersare available).(Example) LM30MG A

High temperature symbolIf requiring a type equipped with a seal, indicate it when placing an order (seal heat resistance:80 C゚).For an open type, only type A is available.(Example) LM30MG UU


Note Since the nut and the balls use stainless steel, these models are highly resistant to corrosion andenvironment.When using the Linear Bush on a single shaft, use two or more units (instead of one unit) on thesame shaft to avoid a moment load, and secure a large distance between the units.

Note Since Linear Bush models LME50 or smaller are incorporated with a synthetic resin retainer, donot use them at temperature exceeding 80℃.If the ambient temperature exceeds 80℃, use the type equipped with a metal retainer and indi-cate "A" at the end of the model number.(Example) LME20G A

High temperature symbolIf requiring a type equipped with a seal, indicate it when placing an order (seal heat resistance:80℃).(Example) LME16 UU



c-29

LinearBush

c29

c-28

Model LMEModel LME

L

L2 L2

L1

φD0φDh0

φdr φdrφdr

h1

θ°

Model LME Model LME-AJ Model LME-OP


Model No. M a j o r d i m e n s i o n s Eccentricity(max)


Basic load rating


Standard typeClearance-

adjustable typeBallrows

Massg

Open type L L1 L2 D0 h0 h1 θ° μm μmCN

C0N

ToleranceToleranceDdr Tolerance Tolerance

LME 5LME 8LME 12LME 16LME 20LME 25LME 30LME 40LME 50LME 60LME 80

44455666666

1120415791

215325705

113022205140

LME 5-AJLME 8-AJLME 12-AJLME 16-AJLME 20-AJLME 25-AJLME 30-AJLME 40-AJLME 50-AJLME 60-AJLME 80-AJ

——

LME 12-OPLME 16-OPLME 20-OPLME 25-OPLME 30-OPLME 40-OPLME 50-OPLME 60-OPLME 80-OP

58

121620253040506080

12162226324047627590

120

Unit: mm

2225323645586880

100125165

14.516.522.924.931.544.152.160.677.6

101.7133.7

1.11.11.31.31.61.851.852.152.653.154.15

11.515.22124.930.337.544.5597286.5

116

111.51.52223333

——7.5

101012.512.516.82127.236.3

——787860605050505454

1212121215151517172020

– 5– 5– 7– 7– 9– 9– 9–13–13–16–16

206265510775863980

15702160382047107350

265402775

118013701570275040207940

1000016000

+0.008 0

0–0.0080

–0.009

0–0.011

0–0.0130

–0.015

+0.009–0.001+0.011–0.001

+0.013–0.002

+0.016–0.004

0–0.2

0–0.3

0–0.4

0–0.2

0–0.3

0–0.4

Model LME-GA

Note If a metal retainer is used, the Linear Bush has the shape as shown below.When using the Linear Bush on a single shaft, use two or more units (instead of one unit) on thesame shaft to avoid a moment load, and secure a large distance between the units.

Note Since this model contains a synthetic resin retainer, do not use it at temperature exceeding 80℃.If requiring a type equipped with a seal, indicate it when placing an order.(Example) LM13L UU


c31


c-31

LinearBush

c-30 Selecting a Model Number Refer to the " General Catalog - Technical Descriptions of the Products," provided separately

φdr

Model LM-L

Model LM-LModel LM-L

L

φD0 φD

L2 L2

L1

Model No. M a j o r d i m e n s i o n s


Standard type Ball rowsMass

gL Tolerance L1 Tolerance L2 D0 μm μm

CN

C0N

ToleranceDdr Tolerance

LM 3LLM 4LLM 5LLM 6LLM 8LLM 10LLM 12LLM 13LLM 16LLM 20LLM 25LLM 30LLM 35LLM 40LLM 50LLM 60L

4444444455666666

348

1631628090

145180440580795

117031003500

34568

1012131620253035405060

78

1012151921232832404552608090

Unit: mm

19232935455557617080112123135154192211

0–0.3

0–0.4

——2027354446465361828999

121148170

——

1.11.11.11.31.31.31.61.61.851.852.12.12.63.15

——9.6

11.514.31820222730.53843495776.586.5

10101015151515151520202025252525

– 2– 3– 3– 5– 5– 5– 5– 7– 7– 9– 9– 9–13–13–13–16

139139263324431588657814

12301400156024902650343060807650

216254412529784

110012001570235027503140549062708040

1590020000

0–0.3

—

0–0.4

0–0.010

0–0.012

0–0.015

0–0.020

0–0.013

0–0.016

0–0.019

0–0.022

0–0.025

Eccentricity(max)


Basic load rating

Note A stainless steel type is also available. Contact for details.

Note Since this model contains a synthetic resin retainer, do not use it at temperature exceeding 80℃.If requiring a type equipped with a seal, indicate it when placing an order.(Example) LMF25 UU



c-33

LinearBush

c33

c-32

φdr

PCD

Model LMF

Model LMFModel LMF

φD1

φd2 φd1

φD

L

H

h


Model No. M a j o r Flange perpendicularityInscribed circle diameter Outer diameter Mounting hole


Massg

HToleranceDdr Tolerance

LMF 6LMF 8SLMF 8LMF 10LMF 12LMF 13LMF 16LMF 20LMF 25LMF 30LMF 35LMF 40LMF 50LMF 60

44444455666666

26.53440787694

134180340460795

105422002960

688

1012131620253035405060

1215151921232832404552608090

Unit: mm

555666688

1010131318

0–0.009

0–0.010

0–0.012

0–0.015

PCD d1×d2×h μm

20242429323338435160677898

112

3.4✕6.5✕3.33.4✕6.5✕3.33.4✕6.5✕3.34.5✕8✕4.44.5✕8✕4.44.5✕8✕4.44.5✕8✕4.4

5.5✕9.2✕5.45.5✕9.2✕5.46.6✕11✕6.56.6✕11✕6.59✕14✕8.69✕14✕8.6

11✕17.5✕10.8

1212121212121215151520202025

Eccentricity(max)

μm

1212121212121215151520202025

Radial clearance tolerance

μm

– 5– 5– 5– 5– 5– 7– 7– 9– 9– 9–13–13–13–13

Basic load rating

CN

C0N

206176265373412510775863980

15701670216038204710

265225402549598775

1180137015702750314040207940

10000

0–0.011

0–0.013

0–0.016

0–0.019

0–0.022

Length

ToleranceL

191724293032374259647080

100110

0–0.2

0–0.3

Flange diameter

ToleranceD1

283232394243485462748296

116134

0–0.2

0–0.3

d i m e n s i o n s


c-35

LinearBush

c35

c-34

φdr

Model LMF-M

PCD

Model LMF-MModel LMF-M

φD1

φd2 φd1

φD

L

H

h


Model No. Flange perpendicularityInscribed circle diameter Outer diameter Mounting hole


Massg


LMF 6MLMF 8SMLMF 8MLMF 10MLMF 12MLMF 13MLMF 16MLMF 20MLMF 25MLMF 30M

4444445566

26.53440787694

134180340460

688

10121316202530

12151519212328324045

Unit: mm

555666688

10

0–0.009

0–0.010

PCD d1×d2×h μm

20242429323338435160

3.4✕6.5✕3.33.4✕6.5✕3.33.4✕6.5✕3.34.5✕8✕4.44.5✕8✕4.44.5✕8✕4.44.5✕8✕4.4

5.5✕9.2✕5.45.5✕9.2✕5.46.6✕11✕6.5

12121212121212151515

Eccentricity(max)

μm

12121212121212151515


μm

–5–5–5–5–5–7–7–9–9–9

Basic load rating

CN

C0N

206176265373412510775863980

1570

265225402549598775

1180137015702750

0–0.011

0–0.013

0–0.016

Length

ToleranceL

19172429303237425964

0–0.2

0–0.3

Flange diameter

ToleranceD1

28323239424348546274

0–0.2

Stainless type

Note Since this model contains a synthetic resin retainer, do not use it at temperature exceeding 80℃.If requiring a type equipped with a seal, indicate it when placing an order.(Example) LMF20M UU


Note Since the nut and the balls use stainless steel, these models are highly resistant to corrosionand environment.

M a j o r d i m e n s i o n s


c-37

LinearBush

c37

c-36

□K

φdr

PCD

Model LMK

Model LMKModel LMK

φD1

φd2 φd1

φD

L

H

h




Massg

KToleranceDdr Tolerance

LMK 6LMK 8SLMK 8LMK 10LMK 12LMK 13LMK 16LMK 20LMK 25LMK 30LMK 35LMK 40LMK 50LMK 60

44444455666666

18.52329615675

104145300375692864

20202520

688

1012131620253035405060

1215151921232832404552608090

Unit: mm

22252530323437425058647592

106

0–0.009

0–0.010

0–0.012

0–0.015

0–0.019

0–0.022

H PCD d1×d2×h μm

555666688

1010131318

20242429323338435160677898

112

3.4✕6.5✕3.33.4✕6.5✕3.33.4✕6.5✕3.34.5✕8✕4.44.5✕8✕4.44.5✕8✕4.44.5✕8✕4.4

5.5✕9.2✕5.45.5✕9.2✕5.46.6✕11✕6.56.6✕11✕6.59✕14✕8.69✕14✕8.6

11✕17.5✕10.8

1212121212121215151520202025

Eccentricity(max)

μm

1212121212121215151520202025

Radial clearancetolerance

μm

– 5– 5– 5– 5– 5– 7– 7– 9– 9– 9–13–13–13–13

Basic load rating

CN

C0N

206176265373412510775863980

15701670216038204710

265225402549598775

1180137015702750314040207940

10000

0–0.011

0–0.013

0–0.016

Length

ToleranceL

191724293032374259647080

100110

0–0.2

0–0.3

Flange diameter

ToleranceD1

283232394243485462748296

116134

0–0.2

0–0.3

Note Since this model contains a synthetic resin retainer, do not use it at temperature exceeding 80℃.If requiring a type equipped with a seal, indicate it when placing an order.(Example) LMK13 UU




c-39

LinearBush

c39

c-38

□K

φdr

PCD

Model LMK-M

Model LMK-MModel LMK-M

φD1

φd2 φd1

φD

L

H

h

Stainless type




Massg


LMK 6MLMK 8SMLMK 8MLMK 10MLMK 12MLMK 13MLMK 16MLMK 20MLMK 25MLMK 30M

4444445566

18.52329615675

104145300375

688

10121316202530

12151519212328324045

Unit: mm

22252530323437425058

0–0.009

0–0.010

H PCD d1×d2×h μm

555666688

10

20242429323338435160

3.4✕6.5✕3.33.4✕6.5✕3.33.4✕6.5✕3.34.5✕8✕4.44.5✕8✕4.44.5✕8✕4.44.5✕8✕4.4

5.5✕9.2✕5.45.5✕9.2✕5.46.6✕11✕6.5

12121212121212151515

Eccentricity(max)

μm

12121212121212151515


μm

–5–5–5–5–5–7–7–9–9–9

Basic load rating

CN

C0N

206176265373412510775863980

1570

265225402549598775

1180137015702750

0–0.011

0–0.013

0–0.016

Length

ToleranceL

19172429303237425964

0–0.2

0–0.3

Flange diameter

ToleranceD1

28323239424348546274

0–0.2

Note Since this model contains a synthetic resin retainer, do not use it at temperature exceeding 80℃.If requiring a type equipped with a seal, indicate it when placing an order.(Example) LMK25M UU




Note Since this model contains a synthetic resin retainer, do not use it at temperature exceeding 80℃.If requiring a type equipped with a seal, indicate it when placing an order.(Example) LMF35L UU



c-41

LinearBush

c41

c-40

Model LMF-L

φdr

PCD

Model LMF-LModel LMF-L

φD1

φd2 φd1

φD

L

H

h




Massg


LMF 6LLMF 8LLMF 10LLMF 12LLMF 13LLMF 16LLMF 20LLMF 25LLMF 30LLMF 35LLMF 40LLMF 50LLMF 60L

4444455666666

3253

105100130187260515655970

156035004500

68

1012131620253035405060

12151921232832404552608090

Unit: mm

55666688

1010131318

0–0.010

0–0.012

0–0.015

0–0.020

0–0.022

0–0.025

PCD d1×d2×h μm

202429323338435160677898

112

3.4✕6.5✕3.33.4✕6.5✕3.34.5✕8✕4.44.5✕8✕4.44.5✕8✕4.44.5✕8✕4.4

5.5✕9.2✕5.45.5✕9.2✕5.46.6✕11✕6.56.6✕11✕6.59✕14✕8.69✕14✕8.6

11✕17.5✕10.8

15151515151520202025252525

Eccentricity(max)

μm

15151515151520202025252525


μm

– 5– 5– 5– 5– 7– 7– 9– 9– 9–13–13–13–13

Basic load rating

CN

C0N

324431588657814

12301400156024902650343060807650

529784

110012001570235027503140549062708040

1590020000

0–0.013

0–0.016

0–0.019

Length

ToleranceL

35455557617080

112123135154192211

0–0.3

0–0.4

Flange diameter

ToleranceD1

2832394243485462748296

116134

0–0.2

0–0.3



Note Since this model contains a synthetic resin retainer, do not use it at temperature exceeding 80℃.If requiring a type equipped with a seal, indicate it when placing an order.(Example) LMF13ML UU



c-43

LinearBush

c43

c-42

Model LMF-ML

φdr

PCD

Model LMF-MLModel LMF-ML

φD1

φd2 φd1

φD

L

H

h


Stainless type



Massg


LMF 6MLLMF 8MLLMF 10MLLMF 12MLLMF 13MLLMF 16MLLMF 20MLLMF 25MLLMF 30ML

444445566

3253

105100130187260515655

68

10121316202530

121519212328324045

Unit: mm

55666688

10

0–0.010

0–0.012

PCD d1×d2×h μm

202429323338435160

3.4✕6.5✕3.33.4✕6.5✕3.34.5✕8✕4.44.5✕8✕4.44.5✕8✕4.44.5✕8✕4.4

5.5✕9.2✕5.45.5✕9.2✕5.46.6✕11✕6.5

151515151515202020

Eccentricity(max)

μm

151515151515202020


μm

–5–5–5–5–7–7–9–9–9

Basic load rating

CN

C0N

324431588657814

1230140015602490

529784

1100120015702350275031405490

0–0.013

0–0.016

0–0.019

Length

ToleranceL

35455557617080

112123

0–0.3

0–0.4

Flange diameter

ToleranceD1

283239424348546274

0–0.2



c-45

LinearBush

c45

c-44

Model LMK-L

□K

φdr

PCD

Model LMK-LModel LMK-L

φD1

φd2 φd1

φD

L

H

h




Massg


LMK 6LLMK 8LLMK 10LLMK 12LLMK 13LLMK 16LLMK 20LLMK 25LLMK 30LLMK 35LLMK 40LLMK 50LLMK 60L

4444455666666

26468882

108160230475575870

138033004060

68

1012131620253035405060

12151921232832404552608090

Unit: mm

222530323437425058647592

106

0–0.010

0–0.012

0–0.015

0–0.020

0–0.022

0–0.025

H PCD d1×d2×h μm

55666688

1010131318

202429323338435160677898

112

3.4✕6.5✕3.33.4✕6.5✕3.34.5✕8✕4.44.5✕8✕4.44.5✕8✕4.44.5✕8✕4.4

5.5✕9.2✕5.45.5✕9.2✕5.46.6✕11✕6.56.6✕11✕6.59✕14✕8.69✕14✕8.6

11✕17.5✕10.8

15151515151520202025252525

Eccentricity(max)

μm

15151515151520202025252525


μm

– 5– 5– 5– 5– 7– 7– 9– 9– 9–13–13–13–13

Basic load rating

CN

C0N

324431588657814

12301400156024902650343060807650

529784

110012001570235027503140549062708040

1590020000

0–0.013

0–0.016

0–0.019

Length

ToleranceL

35455557617080

112123135154192211

0–0.3

0–0.4

Flange diameter

ToleranceD1

2832394243485462748296

116134

0–0.2

0–0.3

Note Since this model contains a synthetic resin retainer, do not use it at temperature exceeding 80℃.If requiring a type equipped with a seal, indicate it when placing an order.(Example) LMK50L UU



Note Since this model contains a synthetic resin retainer, do not use it at temperature exceeding 80℃.If requiring a type equipped with a seal, indicate it when placing an order.(Example) LMK8ML UU



c-47

LinearBush

c47

c-46

Model LMK-ML

□K

φdr

PCD

Model LMK-MLModel LMK-ML

φD1

φd2 φd1

φD

L

H

h


Stainless type



Massg


LMK 6MLLMK 8MLLMK 10MLLMK 12MLLMK 13MLLMK 16MLLMK 20MLLMK 25MLLMK 30ML

444445566

26468882

108160230475575

68

10121316202530

121519212328324045

Unit: mm

222530323437425058

0–0.010

0–0.012

H d1×d2×h μm

55666688

10

PCD

202429323338435160

3.4✕6.5✕3.33.4✕6.5✕3.34.5✕8✕4.44.5✕8✕4.44.5✕8✕4.44.5✕8✕4.4

5.5✕9.2✕5.45.5✕9.2✕5.46.6✕11✕6.5

151515151515202020

Eccentricity(max)

μm

151515151515202020


μm

–5–5–5–5–7–7–9–9–9

Basic load rating

CN

C0N

324431588657814

1230140015602490

529784

1100120015702350275031405490

0–0.013

0–0.016

0–0.019

Length

ToleranceL

35455557617080

112123

0–0.3

0–0.4

Flange diameter

ToleranceD1

283239424348546274

0–0.2



Note Since this model contains a synthetic resin retainer, do not use it at temperature exceeding 80℃.If requiring a type equipped with a seal, indicate it when placing an order.(Example) LMH16 UU



c-49

LinearBush

c49

c-48

φdr

φdr

Models LMH16 to 30Models LMH6 to 13

φD1φD1 BB

KK

C

Model LMHModel LMH

φd2 φd1

φD

LH

h


Model No. Flangeperpen-dicularityInscribed circle diameter Outer diameter Mounting hole


Massg


LMH 6LMH 8LMH 10LMH 12LMH 13LMH 16LMH 20LMH 25LMH 30

444445566

182850557095

150275350

68

10121316202530

121519212328324045

Unit: mm

182125272934384651

0–0.009

0–0.010

H d1×d2×h μm

55666688

10

B

202429323331364049

C

—————22243235

3.4✕6.5✕3.33.4✕6.5✕3.34.5✕8✕4.44.5✕8✕4.44.5✕8✕4.44.5✕8✕4.4

5.5✕9.2✕5.45.5✕9.2✕5.46.6✕11✕6.5

121212121212151515

Eccentricity(max)

μm

121212121212151515


μm

–5–5–5–5–7–7–9–9–9

Basic load rating

CN

C0N

206265373412510775863980

1570

265402549598775

1180137015702750

0–0.011

0–0.013

0–0.016

Length

ToleranceL ToleranceD1

192429303237425964

0–0.2 0

–0.2

0–0.3

Flange diameter

283239424348546274


Note Since this model contains a synthetic resin retainer, do not use it at temperature exceeding 80℃.If requiring a type equipped with a seal, indicate it when placing an order.(Example) LMH20L UU



c-51

LinearBush

c51

c-50

φdr

φdr

φD1φD1 BB

KK

C

Models LMH16L to 30LModels LMH6L to 13L

Model LMH-LModel LMH-L

φd2 φd1

φD

LH

h


Model No. Flangeperpen-dicularityInscribed circle diameter Outer diameter Mounting hole


Massg


LMH 6LLMH 8LLMH 10LLMH 12LLMH 13LLMH 16LLMH 20LLMH 25LLMH 30L

444445566

28407582

107143225450575

68

10121316202530

121519212328324045

Unit: mm

182125272934384651

0–0.010

0–0.012

H d1×d2×h μm

55666688

10

B

202429323331364049

C

—————22243235

3.4✕6.5✕3.33.4✕6.5✕3.34.5✕8✕4.44.5✕8✕4.44.5✕8✕4.44.5✕8✕4.4

5.5✕9.2✕5.45.5✕9.2✕5.46.6✕11✕6.5

151515151515202020

Eccentricity(max)

μm

151515151515202020


μm

–5–5–5–5–7–7–9–9–9

Basic load rating

CN

C0N

324431588657814

1230140015602490

529784

1100120015702350275031405490

0–0.013

0–0.016

0–0.019

Length

ToleranceL ToleranceD1

35455557617080

112123

0–0.3

0–0.4

Flange diameter

283239424348546274

0–0.2



c-53

LinearBush

c53

c-52

W

BB1

K

W2

R

Models SC6 to 30

W1

TJ

M

4-S2

Datum plane

THK logo side

4-S×R

φdr

Models SC6 to 30Models SC6 to 30

CL


Outer dimensions L M c a s e d i m e n s i o n s

Mounting hole position Tap Through bolt Center Inscribed circle diameter Unit mass Bush to be combined Basic load ratingHeight Width LengthModel No.

M W L B B1 C S✕R model No.S2height J±0.02

W1

±0.02K W2 T R dr Tolerance

g

SC 6UUSC 8UUSC 10UUSC 12UUSC 13UUSC 16UUSC 20UUSC 25UUSC 30UU

182226293038.54251.559.5

303440424450547678

253035363944506772

20242830.53336405458

5565.755.577

1110

151821262634405058

M4✕8M4✕8M5✕12M5✕12M5✕12M5✕12M6✕12M8✕18M8✕18

M3M3M4M4M4M4M5M6M6

91113151519212630

151720212225273839

151822252635364149

283237394146526872

668889

111215

91113141519.52125.529.5

68

10121316202530

0–0.009

0–0.010

345292

102123189237555685

LM 6UULM 8UULM 10UULM 12UULM 13UULM 16UULM 20UULM 25UULM 30UU

Unit: mm

Model No. of Linear

CN

C0N

206265373412510775863980

1570

265402549598775

1180137015702750

Example of Model Number for Use in Combination with Linear Bush Units

Linear Bush to be combined Example of model No.

Both ends attached with seal

Without sealMade of stainless steel;

both ends attached with seal

SC 13UU

SC 13

SC 13MUU

Standard stock

Build to order

Build to order

Note Since this model contains a synthetic resin retainer, do not use it at temperature exceeding 80℃.A stainless steel Linear Bush model LM-MG, highly corrosion resistant, can also be incorporatedat your request.


c-55

LinearBush

c55

c-54

W

BB1

K

W2

R

Models SC35 to 50

W1

TJ

M

4-S2

Datum plane

THK logo side

4-S×R

φdr

Models SC35 to 50Models SC35 to 50

C

4-R1

L

L1 W3



Mounting hole position Tap Through bolt Center Inscribed circle diameter Unit Bush to be combined Basic load ratingHeight Width LengthModel No.


W1

±0.02K W2 W3 L1 T R R1 dr Tolerance

massg

SC 35UUSC 40UUSC 50UU

6878

102

90102122

8090

110

7080

100

101111

606080

M8✕18M10✕25M10✕25

M6M8M8

344052

455161

546280

8596

116

6080

100

424464

182025

343850

588

354050

0–0.012

110016003350

LM 35UULM 40UULM 50UU

Unit: mm

Model No. of Linear

CN

C0N

167021603820

314040207940

Example of Model Number for Use In Combination with Linear Bush Units



Without seal




SC 40UU

SC 40

SC 40MUU

Standard stock

Build to order

Build to order

Note Since this model contains a synthetic resin retainer, do not use it at temperature exceeding 80℃.A stainless steel Linear Bush model LM-MG, highly corrosion resistant, can also be incorporatedat your request.(Model SC50 does not include a stainless type.)


c-57

LinearBush

c57

c-56

W N

BB1

K

W2

R

W1

TJ

M

4-S2

Datum plane

THK logo side

4-S×R

A-MT6

φdr

Model SLModel SL

CL





W1

±0.02K W2 T R N dr Tolerance

massg

SL 6UUSL 8UUSL 10UUSL 12UUSL 13UUSL 16UUSL 20UUSL 25UUSL 30UU

182226293038.54251.559.5

303440424450547678

48586870758596

130140

20242830.53336405458

5565.755.577

1110

36424650506070

100110

M4✕8M4✕8M5✕12M5✕12M5✕12M5✕12M6✕12M8✕18M8✕18

M3M3M4M4M4M4M5M6M6

91113151519212630

151720212225273839

151822252635364149

283237394146526872

668889

111215

91113141519.52125.529.5

7776.56.56745

68

10121316202530

0–0.009

0–0.010

6810518520524240352011201440

LM 6ULM 8ULM 10ULM 12ULM 13ULM 16ULM 20ULM 25ULM 30U

Unit: mm

Model No. of Linear

CN

C0N

324431588657814

1230140015602490

529784

1100120015702350275031405490

Example of Model Number for Use In Combination with Linear Bush Units





SL 13UU

SL 13

SL 13MUU

Standard stock

Build to order

Build to order



c-59

LinearBush

c59

c-58

W

h

φd2

W1

M

J

C

2-S1

2-S3φdr

Model SHModel SH

2-S2×R

S2×R

Top surface of models SH6 to SH20

Top surface of models SH3 to SH5

B1

B

L




M W L B B1 C S1 S2✕R model No.S3height J±0.02

W1

±0.02d2 h dr Tolerance

massg

SH 3UUSH 4UUSH 5UUSH 6UUSH 8UUSH 10UUSH 12UUSH 13UUSH 16UUSH 20UU

14161822263234364249

10121416202628303642

13151724273535364044

———18202727283236

810129

101515161822

3335566667

M3M3M3M4M4M5M5M5M5M6

M3✕5.5M3✕6 M3✕6 M4✕8

M5✕8.5M6✕9.5M6✕9.5M6✕9.5M6✕10M6✕12


9101114161920212428

5678

101314151821

4.24.24.26.56.588889.5

1.51.51.53.33.34.44.44.44.45.4

34568

1012131620

0–0.008

0–0.009

4.57

1121.632658190

150215

LM 3UULM 4UULM 5UULM 6UULM 8UULM 10UULM 12UULM 13UULM 16UULM 20UU

Unit: mm

Model No. of Linear

CN

C0N

88.288.2

167206265373412510775863

108127206265402549598775

118013700

–0.010






SH 13UU

SH 13

SH 13MUU

Standard stock

Build to order

Build to order



c-61

LinearBush

c61

c-60

W

h

φd2

W1

M

J

C

2-S1

2-S3φdr

Model SH-LModel SH-L

2-S2×R B1

B

L




M W L B B1 C S1 S2✕R model No.S3height J±0.02

W1

±0.02d2 h dr Tolerance

massg

SH 3LUUSH 4LUUSH 5LUUSH 6LUUSH 8LUUSH 10LUUSH 12LUUSH 13LUUSH 16LUUSH 20LUU

14161822263234364249

10121416202628303642

23273240526062667686

10141820303636405258

18222630425050546672

3335566667


M3✕5.5M3✕6 M3✕6 M4✕8

M5✕8.5M6✕9.5M6✕9.5M6✕9.5M6✕10 M6✕12


9101114161920212428

5678

101314151821

4.24.24.26.56.58 8889.5

1.51.51.53.33.34.44.44.44.45.4

34568

1012131620

0–0.008

0–0.009

8.513223565

125155190295425

LM 3ULM 4ULM 5ULM 6ULM 8ULM 10ULM 12ULM 13ULM 16ULM 20U

Unit: mm

Model No. of Linear

CN

C0N

139139263324431588657814

12301400

216254412529784

110012001570235027500

–0.010






SH13 LUU

SH13 L

SH13 MLUU

Standard stock

Build to order

Build to order


c-62

Tightening boltI

A

2-S H

h

φd

gTHK SK30

BW

bDatum plane

L

Model SKModel SK

Major dimensions

Model No.H W L B S

Mountingbolt

model No.h

±0.02

A±0.05

b g lShaftdiameterd

Tighteningbolt

model No.Mass

g

SK 10SK 12SK 13SK 16SK 20SK 25SK 30SK 35SK 40

32.837.537.5445160708396

4242424860708498

114

141414162024283236

323232384556647490

5.55.55.55.56.66.69

1111

M 5M 5M 5M 5M 6M 6M 8M10M10

202323273135425060

212121243035424957

55557.57

101212

6668

1012121515

182020253038445060

101213162025303540

M4M4M4M4M5M6M6M8M8

2430304070

130180270420

Unit: mm

Linear Bush - CBM Ind Bushings, Shafts and... · 2007. 4. 27. · Linear Bush Structure and...

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Transcript of Linear Bush - CBM Ind Bushings, Shafts and... · 2007. 4. 27. · Linear Bush Structure and...