Mounting Holed Type Super Slim CRBTF
Transcript of Mounting Holed Type Super Slim CRBTF
CRBTFMounting Holed Type Super Slim Crossed Roller Bearings
New
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Gentle to The Earth
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Super Slim Crossed Roller Bearings now available with mounting hole specification!Slim design and easy mounting can reduce the size and weight of your equipment.
Make your equipment more compact with this super slim design!
Mounting Holed Type Super Slim Crossed Roller Bearings have an ultra-slim 5 mm bearing width, made possible thanks to IKO's technological expertise in miniature bearing production.
IKO Crossed Roller Bearings are compact bearings with their rollers alternately crossed at right angles to each other between inner and outer rings. The orthogonal array of the rollers allows a single bearing to handle complex loads simultaneously from any direction, making mounting possible without worrying about load direction.
· The shoulder height diameters (da and Da) which are related tomounting must meet the values shown in the dimension tables.
· When used with a housing, it is recommended to use a slightinterference fit adjusted to the actual measured dimensions ofthe outer and inner ring. In addition, the depth of the housingbore is recommended to be equal to or larger than the bearingwidth.
· Mounting Holed Type Super Slim Crossed Roller Bearings havea plug hole for inserting cylindrical rollers. When mounting thebearings, position the plug away from the maximum load. Theplug is located by the pin on the side.
Easy bolt-on mounting eliminates complex mounting procedures.
Mounting Holed Type Super Slim Crossed Roller Bearings can be mounted directly to the mounting surface. No housing or pressure plate required.
CRBTF Structure and Features
Dimensions/Accuracy/Clearance
What are Crossed Roller Bearings?
Mounting
Inner ring
Outer ring Roller
D d
PCD
1
PCD
2
Br
r
r
r
d aDa
Super Slim Type Crossed Roller Bearing Mounting Method
Mounting Holed Type Super Slim Crossed Roller Bearing Mounting Method
Until now...Housing andpressure plateswere required.
*It is recommended to use a housing for applications with large loads or moment loads.
5
Mounting hole
Outer ring
Roller
Separator
Inner ring
Table 2. Accuracy/Internal radial clearance unit: μm
10
20
30
40
High
0
0
0
0
Low
-8
-10
-10
-12
High
0
0
0
0
Low
-11
-13
-13
-13
High
0
0
0
0
Low
-75
-75
-75
-75
Maximum
13
13
15
15
Bore diameter deviation
Outside diameter deviation
Inner/outer ring width deviation
Min.
0
0
0
0
Maximum
15
15
15
15
Radial internal clearance
C1
Radial and axial runout of assembled
bearing inner ring
Maximum
20
20
25
25
Radial and axial runout of assembled
bearing outer ring
Note (1) Minimum allowable single value of chamfer dimension r. Remarks 1. No oil hole is provided. 2. Provided with pre-packed grease.
Shaft diameter
mm
Identification number
CRBTF 105 AT
CRBTF 205 AT
CRBTF 305 AT
CRBTF 405 AT
Boundary dimensions mm Mounting holes mm
PCD1
Inner ring
PCD2
Outer ring
Mass (Ref.)
g
46
66
83
103
d D B rmin
10
20
30
40
43
53
63
73
5
5
5
5
10
20
30
40
0.15
0.15
0.15
0.15
16
26
36
46
Mounting dimensions mm
da Da
Basic dynamic load ratingC
N
Basic static load ratingC0
N
6-M2.5 through
6-M2.5 through
8-M2.5 through
8-M2.5 through
35
45
55
65
6-φ 2.9 throughφ5.5 Counterbore depth 2.8
6-φ 2.9 throughφ5.5 Counterbore depth 2.8
8-φ 2.9 throughφ5.5 Counterbore depth 2.8
8-φ 2.9 throughφ5.5 Counterbore depth 2.8
21.5
31.5
41.5
51.5
28
38
47.5
58
1 500
1 890
2 140
2 440
1 410
2 150
2 750
3 490
Table 1. Dimensions
CRBTF
Tighten the fixing screws (M2.5 x 0.4) at 0.58 N·m torque.
Mounting Holed Type Super Slim Crossed Roller Bearings
da
Da
(1)
1N ≈ 0.102 kgf
Mounting holes Mounting holes
Nominal bore diameter
mm
∆ dmp ∆Dmpd ∆ Bs ∆ Csand Kea SeaandKia Siaand
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