Page 569 - SKF-bearing-housings

Design considerations

Table 2
Bearing seat tolerance classes
Shaft diameter Tolerance class 1)
d a for housing series
over incl. PDN PDP with PDR
angular contact cylindrical
ball bearings roller bearings
mm –
– 100 k6 k6 m6 m6
100 – k6 m6 m6 m6

1) The recommended tolerance classes are intended for light loaded bearings only (P < 0,05 C, see also skf.com/bearings). Tighter
fits are required for heavier loads. For additional information, contact the SKF application engineering service.
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Table 3
Shaft end specifications
Shaft end diameter Tolerance class
for housing series
d b
over incl. PDN PDP PDR
mm –
– 30 j6 m6 m6
30 50 k6 m6 m6
50 110 m6 m6 m6

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