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MR and R bearings
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Name:
  MR and R bearings
Introduction:
Bearing
No

Bore
(d)


O.d
(D)

width(b)

Chamfer
R min

Basic Load Rating(KN) Cr(KN)

Basic Load Rating(KN) Cor(KN)

Max Runout Speed()rpm

zz

open

Grease

Oil

*1000rpm
MR84

4

8

3

2

0.10
0.14
0.39
71
80
MR104

10

4

3

0.20
0.27
0.70
480
560
MR85
5

8

2.5

2

0.10
0.09
0.20
520
620
MR95

9

3

2.5

0.15
0.17
0.4
500
600
MR105

10

4

3

0.15
0.17
0.40
500
600
MR115

11

4

3

0.15
0.28
0.71
450
530
MR126
6

12

4

3

0.15
0.27
0.70
380
450
MR106

13

3

2.5

0.15
0.40
1.08
400
500
MR156
4.763
7.938 3.175 2.779
0.20
0.20
0.45
430
510
MR137

13

4

3

0.20
0.20
0.45
390
450
MR128
8

12

3.5

2.5

0.15
0.27
0.54
400
480
MR148

14

4

3.5

0.20
0.38
0.81
380
450
R144
3.175

6.35

2.779

2.38

0.15
0.28
0.10
600
790
R156
4.763
7.938 3.175 2.779
0.15
0.35
0.15
530
630
R3 12.70 4.978 3.967
0.20
0.89
0.42
430
530
R3A 12.70 4.978 4.978
0.20
0.89
0.42
370
440
R166 9.525 3.175 3.175
0.15
0.70
0.27
500
600
R168
6.35
9.525 3.175 3.175
0.15
0.37
0.17
480
560
R188 12.7 4.762 3.175
020
1.08
0.44
400
500
R4 15.875 4.978 4.978
0.20
1.48
0.64
380
450
R4A 19.05 7.142 5.558
0.20
2.30
0.88
360
430
R1810
7.938
12.7 3.967 3.967
0.20
0.45
0.27
400
480
R6
9.525
22.225 7.142 5.558
0.20
3.30
1.40
320
380
R8
12.7
28.575 7.938 6.35
0.30
5.10
200
270
350
R10
15.875
34.925 8.73 7.14
0.30
6.00
2.70
220
300
R12
19.05
41.275 11.112 7.93
0.60
9.30
4.40
190
280
R14
22.225
47.625 12.7 9.52
0.60
10.30
4.90
180
260
R16
25.4
50.80 9.52
0.60
1120
5.10
170
240
R18
28.575
53.975 12.7
0.60
11.50
5.50
160
220
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