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RB type
- Commodity name： RB type
- Product Description
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Product Introduction
The RB series (THK’s equivalent is the RB series, IK0’s equivalent is the CRB series, and NSK’s equivalent is the NRXT series) represents the basic model of cross cylindrical roller bearings. The inner and outer ring dimensions have been minimized to the greatest extent possible. The bearing’s structure is split into two halves, which are secured together using bolts or special rivets. The inner ring is designed as a single piece, making it particularly suitable for applications requiring high rotational accuracy of the inner ring—for example, the rotating parts of indexing tables in machine tools.
Product Parameters
Nominal model
Inner diameter
Outer diameter
Width
Oil hole
Chamfer
Shaft shoulder dimensions
Basic rated load (radial)
Weight
d
D
B B1
a-b
r(min)
ds
Dh
C
C0
Kilogram
(mm)
(mm)
(mm)
(mm)
kN
kN
20
RB2008
20
36
8
2 - 0.8
0.5
23.5
30.5
3.23
3.1
0.04
25
RB2508
25
41
8
2 - 0.8
0.5
28.5
35.5
3.63
3.83
0.05
30
RB3010
30
55
10
2.5-1
0.6
37
47
7.35
8.36
0.12
35
RB3510
35
60
10
2.5-1
0.6
41
51.5
7.64
9.12
0.13
40
RB4010
40
65
10
2.5-1
0.6
47.5
57.5
8.33
10.6
0.16
45
RB4510
45
70
10
2.5-1
0.6
51
61.5
8.62
11.3
0.17
50
RB5013
50
80
13
2.5 - 1.6
0.6
57.4
72
16.7
20.9
0.27
60
RB6013
60
90
13
2.5 - 1.6
0.6
68
82
18
24.3
0.3
70
RB7013
70
100
13
2.5 - 1.6
0.6
78
92
19.4
27.7
0.35
80
RB8016
80
120
16
3-1.6
0.6
91
111
30.1
42.1
0.7
90
RB9016
90
130
16
3-1.6
1
98
118
31.4
45.3
0.75
100
RB10016
100
140
16
3.5 - 1.6
1
109
129
31.7
48.6
0.83
100
RB10020
100
150
20
3.5 - 1.6
1
113
133
33.1
50.9
1.45
110
RB11012
110
135
12
2.5-1
1
117
127
12.5
24.1
0.4
110
RB11015
110
145
15
3.5 - 1.6
1.6
122
136
23.7
41.5
0.75
110
RB11020
110
160
20
3.5 - 1.6
1.6
120
143
34
54
1.56
120
RB12016
120
150
16
3.5 - 1.6
1.6
127
141
24.2
43.2
0.72
120
RB12025
120
180
25
3.5-2
2
133
164
66.9
100
2.62
130
RB13015
130
160
15
3.5 - 1.6
1.6
137
152
25
46.7
0.72
130
RB13025
130
190
25
3.5-2
2
143
174
69.5
107
2.82
140
RB14016
140
175
16
3.5 - 1.6
1.6
147
162
25.9
50.1
1
140
RB14025
140
200
25
3.5-2
2
154
185
74.8
121
2.96
150
RB15013
150
180
13
2.5 - 1.6
1.6
157
172
27
53.5
0.68
150
RB15025
150
210
25
3.5-2
2
164
194
76.8
128
3.16
150
RB15030
150
230
30
4.5-3
3
173
211
100
156
5.3
160
RB16025
160
220
25
3.5-2
2
173
204
81.7
135
3.14
170
RB17020
170
220
20
3.5 - 1.6
1.5
184
198
29
62.1
2.11
180
RB18025
180
240
25
3.5-2
1.5
195
225
84
143
3.44
190
RB19025
190
240
25
3.5 - 1.6
1
202
222
41.7
82.9
2.99
200
RB20025
200
260
25
3.5-2
2
215
245
84.2
157
4
200
RB20030
200
280
30
4.5-3
2
221
258
114
200
6.7
200
RB20035
200
295
35
5-3
2
225
270
151
252
9.6
220
RB22025
220
280
25
3.5-2
2
235
265
92.3
171
4.1
240
RB24025
240
300
25
3.5-2
2.5
256
281
68.3
145
4.5
250
RB25025
250
310
25
3.5-2
2.5
265
290
69.3
150
5
250
RB25030
250
330
30
4.5-3
2.5
269
306
126
244
8.1
250
RB25040
250
355
40
6-3.5
2.5
275
326
195
348
14.8
300
RB30025
300
360
25
3.5-2
2.5
315
340
76.3
178
5.9
300
RB30035
300
395
35
5-3
2.5
322
368
183
367
13.4
300
RB30040
300
405
40
6-3.5
2.5
326
377
212
409
17.2
350
RB35020
350
400
20
3.5 - 1.6
2.5
363
383
54.1
143
3.9
400
RB40035
400
480
35
5-3
2.5
422
459
156
370
14.5
400
RB40040
400
510
40
6-3.5
2.5
428
479
241
531
23.5
450
RB45025
450
500
25
3.5 - 1.6
1
464
484
61.7
182
6.6
500
RB50025
500
550
25
3.6 - 1.6
1
514
534
65.5
201
7.3
500
RB50040
500
600
40
6-3
2.5
526
572
239
607
26
500
RB50050
500
625
50
6-3.5
2.5
536
587
267
653
41.7
600
RB60040
600
700
40
6-3
3
627
673
264
721
29
700
RB70045
700
815
45
6-3
3
731
777
281
836
46
800
RB80070
800
950
70
6-4
4
836
900
468
1330
105
900
RB90070
900
1050
70
6-4
4
937
1001
494
1490
120
1000
RB1000110
1000
1250
110
6-6
5
1057
1171
1220
3220
360
1250
RB1250110
1250
1500
110
6-6
5
1308
1423
1350
3970
440
Keywords:
RB type
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Contact persons: Mr. Liang, Ms. Wang
Address: Industrial Park at the intersection of Jinxin Road and Heluo Road, High-tech Zone, Luoyang City
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