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CRB/CRBC Cross roller bearings

【Time:2012-07-13】【Sources:The station】【Author:Administrator】【Click:2649】

CRB/CRBC 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
       Main dimensions mm
Mounting dimensions mm
CRBC
CRB
Weight
With cage
( Click on the following types and check  the details of products)
Full complement
inner ring
d
outer diameter
D
 width

 
B
r
 min
da
Da
Basic dynamic load rating
Basic static load rating
Basic dynamic load rating
Basic static load rating
Kg
C
kN
Co
kN
C
kN
Co
kN
50
CRB 5013
50
80
13
  0.6
55
71
1.07
1.26
1.42
1.84
0.29
60
CRB 6013
60
90
13
  0.6
64
81
1.16
1.46
1.54
2.15
0.33
70
CRB 7013
70
100
13
0.6
75
91
1.23
1.67
1.7
2.55
0.38
80
CRB 8016
80
120
16
0.6
86
107
1.82
2.55
2.43
3.75
0.74
90
CRB 9016
90
130
16
1
98
118
1.94
2.86
2.59
4.21
0.81
100
CRB 10020
100
150
20
1
108
134
3.15
4.51
3.94
6.11
1.45
110
CRB 11020
110
160
20
1
118
144
3.35
5.07
4.12
6.67
1.56
120
CRB 12025
120
180
25
1.5
132
164
4.77
7.05
5.99
9.54
2.62
130
CRB 13025
130
190
25
1.5
140
172
4.92
7.48
6.1
9.98
2.82
140
CRB 14025
140
200
25
1.5
151
183
5.07
7.92
6.41
10.8
2.96
150
CRB 15025
150
210
25
1.5
160
192
5.38
8.77
6.5
11.3
3.16
CRB 15030
150
230
30
1.5
166
202
6.92
10.8
8.59
14.4
5.3
200
CRB 20025
200
260
25
2
208
239
6.02
11
7.53
14.8
4
CRB 20030
200
280
30
2
218
262
10.8
17.8
13.3
23.4
6.7
CRB 20035
200
295
35
2
221
274
13.7
21.5
16.8
28.2
9.58

 

Shaft
diameter
mm

Identification
 number

 Main dimensions mm
Mounting dimensions
mm
CRBC
CRB
Weight
With cage
( Click on the following types and check  the details of products)
Full complement
 
inner
diameter 
d
 
outer diameter
D
 
 width

B
 
r
 min
da
Da
Basic dynamic load rating
Basic static load rating
Basic dynamic load rating
Basic static load rating
Kg
C
kN
Co
kN
C
kN
Co
kN
250
CRB 25025
250
310
25
2.5
259
290
6.72
13.6
8.39
18.3
4.97
CRB 25030
250
330
30
2.5
265
310
11.6
20.8
14.6
28.3
8.1
CRB 25040
250
355
40
2.5
271
330
17.9
29.9
21.5
38.2
14.8
300
CRB 30025
300
360
25
2.5
310
341
7.38
16.2
9.19
21.7
5.88
CRB 30035
300
395
35
2.5
318
372
16.3
29.9
20.5
40.8
13.4
CRB 30040
300
405
40
2.5
321
381
19.4
35.1
23.5
45.1
17.2
400
CRB 40035
400
480
35
2.5
414
457
13.3
30
16.5
40
14.5
CRB 40040
400
510
40
2.5
423
483
22.2
45.5
27
59
23.5
CRB 40070
400
580
70
2.5
430
532
47
81.1
57.6
106
72.4
500
CRB 50040
500
600
40
2.5
517
573
21.2
49.7
25.9
64.8
26
CRB 50050
500
625
50
2.5
531
592
24.7
56.1
30.6
74.7
41.7
CRB 50070
500
680
70
2.5
530
633
53.6
102
65.3
133
86.1
600
CRB 60040
600
700
40
3
621
676
23.1
58.1
28.7
77.4
30.6
CRB 60070
600
780
70
3
630
734
59.1
123
70
154
102
CRB 600120
600
870
120
3
643
817
125
221
149
280
274
700
CRB 70045
700
815
45
3
730
785
25
68.1
31.3
91.7
46.5
CRB 70070
700
880
70
3
731
834
63
139
76.6
181
115
CRB 700150
700
1020
150
3
751
953
166
301
198
382
478
800
CRB 80070
800
950
70
4
831
907
41.7
109
51.3
144
109
CRB 800100
800
1030
100
4
840
972
93.6
204
114
264
247
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