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Angular Contact Ball Bearings
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Angular Contact Ball Bearings
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Designations
Principal dimensions(mm)
Basic load ratings(KN)
Speed ratings (rpm)
Load position(mm)
Abutment and fillet dimensions(mm)
Weight
d
D
B
r(min)
r1(min)
Cr
Cor
grease
oil
a
da min
Da max
ra max
(kg)
71904C
20
37
9
0.3
0.15
6.95
4.25
22000
32000
8.3
22.5
34.5
0.3
0.036
71904AC
20
37
9
0.3
0.15
6.6
4.05
19000
26000
11.1
22.5
34.5
0.3
0.036
7004C
20
42
12
0.6
0.3
11.1
6.55
20000
30000
10.1
25
37
0.6
0.076
7204C
20
47
14
1
0.6
14.6
8.05
19000
26000
11.5
26
41
1
0.118
7204B
20
47
14
1
0.6
13.3
7.65
9500
13000
21.1
26
41
1
0.109
7304B
20
52
15
1.1
0.6
17.3
9.65
9000
12000
22.6
27
45
1
0.15
71905C
25
42
9
0.3
0.15
7.85
5.4
19000
26000
9
27.5
39.5
0.3
0.042
71905AC
25
42
9
0.3
0.15
7.45
5.15
16000
22000
12.3
27.5
39.5
0.3
0.043
7005C
25
47
12
0.6
0.3
11.7
7.4
18000
26000
10.8
30
42
0.6
0.089
7205C
25
52
15
1
0.6
16.6
10.2
17000
24000
12.7
31
46
1
0.143
7205B
25
52
15
1
0.6
14.8
9.4
8500
11000
23.7
31
46
1
0.133
7305B
25
62
17
1.1
0.6
24.4
14.6
7500
10000
26.7
32
55
1
0.241
71906C
30
47
9
0.3
0.15
8.3
6.25
17000
24000
9.7
32.5
44.5
0.3
0.049
71906AC
30
47
9
0.3
0.15
7.85
5.95
14000
19000
13.5
32.5
44.5
0.3
0.049
7006C
30
55
13
1
0.6
15.1
10.3
15000
22000
12.2
36
49
1
0.134
7206C
30
62
16
1
0.6
23
14.7
14000
20000
14.2
36
56
1
0.222
7206B
30
62
16
1
0.6
20.5
13.5
7100
9500
27.3
36
56
1
0.202
7306B
30
72
19
1.1
0.6
31
19.3
6300
8500
30.9
37
65
1
0.354
71907C
35
55
10
0.6
0.3
12.1
9.15
14000
20000
11
40
50
0.6
0.074
71907AC
35
55
10
0.6
0.3
11.4
8.7
12000
17000
15.5
40
50
0.6
0.074
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