Products > Rolling > Cylindrical roller bearings
                 Four-point contact ball bearings   QJ 3

Bearing number
Dimensions
£¨mm£©
Basic load ratings (KN)
Limiting speed (r/min)
Mass (Kg)
TCB
d
D
B
r min
a
Cr
Cor
Grease
Oil
17
47
14
1.0
22
23.4
15.0
12000
17000
0.14
 
20
52
15
1.1
25
29.6
20.0
10000
15000
0.18
 
30
72
19
1.1
36
49.4
39.0
7500
10000
0.42
 
35
80
21
1.5
40
59.2
46.5
7000
9500
0.57
 
40
90
23
1.5
46
71.5
58.5
6300
8500
0.78
 
45
100
25
1.5
51
93.6
76.5
5600
7500
1.05
 
50
110
27
2.0
56
111
91.5
5000
6700
1.35
 
55
120
29
2.0
61
127
108
4500
6000
1.75
 
60
130
31
2.1
67
146
125
4300
5600
2.15
 
65
140
33
2.1
72
165
146
4000
5300
2.70
 
70
150
35
2.1
77
186
166
3600
4800
3.15
 

 
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