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|
Tolerances for Radial Bearings | Except Tapered Roller Bearings |
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| Tolerances values in microns |
| Inner Ring |
Tolerances
for inner ring width ( Bs) |
Outer Ring |
Tolerances for bore dia.
and running accuracy |
Tolerances for O.D.
and running accuracy |
Nominal bore
diameter d (mm) |
Normal Class
(dmp) |
Width
runout |
Radial ronout (Kia) |
Nominal outside
diameter D (mm) |
Normal class
(Dmp) |
Radial
runout (Kea) |
|
| over |
incl. |
high |
low |
Max |
Max |
high |
low |
over |
incl |
high |
low |
Max. |
| 2.5 |
10 |
0 |
-8 |
15 |
10 |
0 |
-120 |
18 |
30 |
0 |
-9 |
15 |
| 10 |
18 |
0 |
-8 |
20 |
10 |
0 |
-120 |
30 |
50 |
0 |
-11 |
20 |
| 18 |
30 |
0 |
-10 |
20 |
13 |
0 |
-120 |
50 |
80 |
0 |
-13 |
25 |
| 30 |
50 |
0 |
-12 |
20 |
15 |
0 |
-120 |
80 |
120 |
0 |
-15 |
35 |
| 50 |
80 |
0 |
-15 |
25 |
20 |
0 |
-150 |
120 |
150 |
0 |
-18 |
40 |
| 80 |
120 |
0 |
-20 |
25 |
25 |
0 |
-200 |
150 |
180 |
0 |
-25 |
45 |
| |
|
|
|
|
|
|
|
180 |
250 |
0 |
-30 |
50 |
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|
Axial Internal Clearance in Four Point Contact Bearings |
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| Tolerances values in microns |
| Nominal bore diameter d (mm) |
Axial Internal Clearance |
| C2 |
CN |
C3 |
C4 |
|
| over |
incl. |
min. |
max. |
min. |
max. |
min. |
max. |
min. |
max. |
| 10 |
18 |
15 |
55 |
45 |
85 |
75 |
125 |
115 |
165 |
| 18 |
40 |
26 |
66 |
56 |
106 |
96 |
146 |
136 |
186 |
| 40 |
60 |
36 |
86 |
76 |
126 |
116 |
166 |
156 |
206 |
| 60 |
80 |
46 |
96 |
86 |
136 |
126 |
176 |
166 |
226 |
| 80 |
100 |
20 |
106 |
96 |
156 |
136 |
196 |
186 |
246 |
| 100 |
140 |
20 |
126 |
116 |
176 |
156 |
216 |
206 |
266 |
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