SKF - Rolling Bearings

Bearing data
Bore tolerance of self-aligning ball bearings with an
extended inner ring
Table 4
Table 5
Radial internal clearance of self-aligning ball bearings
Bore diameter Tolerance class JS7
d
Deviation
over incl. high low
mm µm
18 30 +10,5 –10,5
30 50 +12,5 –12,5
50 80 +15 –15
4
Bore Radial internal clearance
diameter
d C2 Normal C3
over incl. min. max. min. max. min. max.
Table 6
mm µm
Permissible angular misalignment
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
a
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
Bearings/series
– °
108, 126, 127, 129, 135 3
12 (E) 2,5
13 (E) 3
22 (E) 2,5
22 E-2RS1 1,5
23 (E) 3
23 E-2RS1 1,5
112 (E) 2,5
130, 139 3
Misalignment
a
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 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
543