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BEARING TOLERANCES

Table 8. 6 Tolerances for Thrust Ball Bearings Table 8. 6. 2 Tolerances for Outside Diameter of Housing Washers and Aligning Seat Washers
Table 8. 6. 1 Tolerances for Shaft Washer Bore Diameter and Running Accuracy

Units : μm Units : μ m

Nominal Bore & d mp or & d 2mp V d p or V d 2p S i or S e (1) Nominal Outside Diameter of & Dmp V Dp Aligning Seat Washer
Bearing or Aligning Outside Diameter
Diameter Seat Washer Flat Seat Type Aligning Seat Normal Deviation
Washer Type Class 6 Class 4 & D 3s
d or d2 Normal Class 4 Normal Class Normal Class Class Class D or D3 Normal Class 4 Class 5
Class 6 Class 6 4 6 5 4 Class 6 Normal Normal
(mm) Class 5 high low Class 5 max. (mm) Class 5 high low Class 6 Class 6
high low max. max. max. max.
over incl. 0 -7 max. 10 over incl. high low 0 -7 high low max. max. high low
0 -8 0 -8 5 10 5 3 2 0 -8
- 18 0 - 10 0 -10 6 6 10 5 3 2 10 18 0 - 11 0 -9 0 - 17 8 5 0 - 25
30 0 - 12 0 -12 8 8 6 3 2 18 30 0 - 13 0 - 20 10 6 0 - 30
18 50 0 -15 9 10 30 50 0 - 16 0 - 24 12 7 0 - 35
30 0 - 15 0 -18 9 15 7 4 3 0 - 29
80 0 - 20 0 -22 11 11 15 8 4 3 50 80 0 - 19 0 -11 0 - 33 14 8 0 - 45
50 120 0 - 25 0 -25 15 14 9 5 4 80 120 0 - 22 0 -13 0 - 38 17 10 0 - 60
80 180 0 -30 19 20 120 180 0 - 25 0 -15 0 - 45 19 11 0 - 75
120 0 - 30 0 -35 17 25 10 5 4 0 - 53
250 0 - 35 0 -40 23 19 30 13 7 5 180 250 0 - 30 0 -20 0 - 60 23 15 0 - 90
180 315 0 - 40 0 -50 26 23 15 7 5 250 315 0 - 35 0 -25 0 - 68 26 19 0 -105
250 400 -- 30 30 315 400 0 - 40 0 -28 0 - 75 30 21 0 -120
315 0 - 45 -- 26 35 18 9 6 0 -113
500 0 - 50 34 30 40 21 11 7 400 500 0 - 45 0 -33 -- 34 25 0 -135
400 630 0 - 75 38 25 13 8 500 630 0 - 50 0 -38 -- 38 29 0 -180
500 800 - 45 630 800 0 - 75 0 -45 -- 55 34 0 -225
630 0 -100 - 50 30 15 -
1 000 0 -125 - 35 18 - 800 1 000 0 -100 - - 75 - - -
800 1 250 - - 1 000 1 250 0 -125 - - ----
1 000 - 1 250 1 600 0 -160 - - ----

Note (1) For double-direction bearings, the thickness variation doesn't depend on the bore diameter d2 , but on d for single-

direction bearings with the same D in the same diameter series.

The thickness variation of housing washers, Se, applies only to flat-seat thrust bearings.

jd jd jd jD
T jD jd2
jD3 T3 T4 T6 jD3 T7
jD T5 B T8
B jd2 T1
T2

jD

A 72 A 73