Products > Rolling > Track rollers
                 Single row angular contact ball bearings   73 B

Bearing number
Dimensions (mm)
Basic load ratings(KN)
Limiting speed (r/min)
Mass (Kg)
TCB
d
D
B
r min
r1 min
a
Cr
Cor
Grease
Oil
        7301B
12
37
12
1
0.6
16
10.6
5
24000
19000
0.059
  
        7302B
15
42
13
1
0.6
18
12.9
6.6
20000
17000
0.09
  
        7303B
17
47
14
1
0.6
20
16.0
8.3
18000
15000
0.113
  
        7304B
20
52
15
1.1
0.6
23
19.0
10.4
17000
13000
0.147
  
        7305B
25
62
17
1.1
0.6
27
26.0
15.0
14000
11000
0.221
  
        7306B
30
72
19
1.1
0.6
31
32.5
20.0
11000
10000
0.342
  
        7307B
35
80
21
1.5
1
35
39.0
25.0
9500
9000
0.447
  
        7308B
40
90
23
1.5
1
39
50.0
32.5
8500
8500
0.657
  
        7309B
45
100
25
1.5
1
43
60.0
40.0
7500
7500
0.821
  
        7310B
50
110
27
2
1
47
69.5
47.5
7000
7000
1.05
  
        7311B
55
120
29
2
2
51
78.0
56.0
6300
6700
1.36
  
        7312B
60
130
31
2.1
1.1
55
90.0
65.5
5600
6300
1.72
  
        7313B
65
140
33
2.1
1.1
60
102.0
75.0
5300
6000
2.1
  
        7314B
70
150
35
2.1
1.1
64
114.0
86.5
5000
5600
2.53
  
        7315B
75
160
37
2.1
1.1
68
127.0
100.0
4500
5300
3.18
  
        7316B
7316B
80
170
39
2.1
1.1
72
140.0
114.0
4300
4800
  
        7317B
85
180
41
3
1.1
76
150.0
127.0
4000
4500
4.27
  
        7318B
90
190
43
3
1.1
80
160.0
140.0
3800
4300
5.72
  
        7319B
95
200
45
3
1.1
84
173.0
153.0
3800
4000
5.99
  
        7320B
100
215
47
3
1.1
90
193.0
180.0
3600
3600
7.14
  

 
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