FAG self aligning ball bearings accuracy

The main dimensions of the bearings conform to DIN 630. The dimensional and geometrical tolerances of the bearings correspond to tolerance class PN to DIN 620-2.

In FAG self aligning ball bearings series 112, the bearing bore has a J7 tolerance.

Radial internal clearance of bearings with cylindrical bore

The radial internal clearance is CN in accordance with DIN 620-4.

Bore Radial internal clearance
d
mm
CN
μm
C3
μm
over incl. min. max. min. max.
- 6 5 15 10 20
6 10 6 17 12 25
10 14 6 19 13 26
14 18 8 21 15 28
18 24 10 23 17 30
24 30 11 24 19 35
30 40 13 29 23 40
40 50 14 31 25 44
50 65 16 36 30 50
65 80 18 40 35 60
80 100 22 48 42 70
100 120 25 56 50 83
120 140 30 68 60 100
140 160 35 80 70 120

Radial internal clearance of bearings with tapered bore

Bearings with a tapered bore have the internal clearance group C3 in accordance with DIN 620-4.

Bore Radial internal clearance
d
mm
CN
μm
C3
μm
over incl. min. max. min. max.
18 24 13 26 20 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
120 140 60 98 90 130
140 160 65 110 100 150

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