Radial internal clearance of self-aligning ball bearings

Radial internal clearance of self-aligning ball bearings

Bore diameter Radial internal clearance
d C2 Normal C3
> min. max. min. max. min. max.
mm µm

Bearings with a cylindrical bore
2,5 6 1
8
5
15 10
20
6 10 2
9
6
17 12
25
10 14 2
10
6
19 13 26
14 18 3
12 8
21 15 28
18 24 4
14 10
23 17 30
24 30 5
16 11
24 19 35
30 40 6
18 13
29 23
40
40 50 6
19 14
31
25 44
50 65 7
21
16 36 30
50
65 80 8
24
18 40
35 60
80 100 9
27 22
48 42
70
100 120 10
31
25
56
50
83
120 140 10
38
30
68
60
100
140 160



70
120
160 180



82
138
180 200



93
157
200 225



100
170
225 250



115
195
Bearings with a tapered bore

18 24

13
26
30
33
24 30

15
28
23
39
30 40

19
35 29
46
40 50

22
39
33
52
50 65

27
47
41
61
65 80

35
57
50
75
80 100
42
68
62
90
100 120

50 81
75
108

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