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CRBH Cross roller bearings

【Time:2012-07-13】【Sources:The station】【Author:Administrator】【Click:2201】

CRBH Cross roller bearings

With the Cross-Roller Ring, cylindrical rollers are arranged crosswise, with each roller perpendicular to the adjacent roller, in a 90V groove, separated from each other by a spacer retainer.  This design allows just one bearing to receive loads in all directions including, radial, axial and moment loads. Since the Cross-Roller Ring achieves high rigidity despite the minimum possible dimensions of the inner and outer rings, it is optimal for applications such as joints and swiveling units of industrial robots, swiveling tables of machining centers, rotary units of manipulators, precision rotary tables, medical equipment, measuring instruments and IC manufacturing machines.
Bearing features:
1.     High precision: precision at P4, P2.
2.     High rigidity: this series bearings are with preload.
3.     High load capacity: this series bearings can support axial load, radial load, and tilting load.
4.     Small volume: this series bearings can save space for the machine.
Application scope:
Crossed cylindrical roller bearings are widely applied in the precision rotary table, rotary joint of manipulator, medical equipment, and measuring instrument etc.

Shaft
diameter

mm
Identification number
( Click on the following types and check  the details of products)
Main dimensions
mm
  Mounting dimensions     mm
Basic dynamic load rating
Basic static load rating
Weight
inner diameter 
d
outer diameter
D
 width

B
               r
 min
da
Da
Kg
C
kN
Co
kN
50
50
80
13
0.6
56
74
1.73
2.09
0.29
60
60
90
13
0.6
66
84
1.88
2.43
0.33
70
70
100
13
0.6
76
94
2.01
2.77
0.38
80
80
120
16
0.6
88
112
3.21
4.34
0.74
90
90
130
16
0.6
98
122
3.31
4.68
0.81
100
100
150
20
0.6
110
140
5.09
7.22
1.45
110
110
160
20
0.6
120
150
5.24
7.74
1.56
120
120
180
25
1
132
168
7.34
10.8
2.62
130
130
190
25
1
142
178
7.59
11.5
2.82
140
140
200
25
1
152
188
8.19
13
2.96
150
150
210
25
1
162
198
8.43
13.8
3.16
200
200
260
25
1
212
248
9.23
16.9
4
250
250
310
25
1.5
262
298
10.2
20.7
4.97
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