Geometrical tolerances for bearing seats on shafts and in housings
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Surface
Characteristic |
Symbol |
Tolerance |
Permissible deviations
Bearings to tolerance class |
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| zone | |||||||
| P4, P4A,
P4C, SP |
P2, PA9A,
UP |
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|
Cylindrical seat Total radial run-out |
|
t3 | IT2/2 | IT1/2 | |||
|
Flat abutment
Total axial run-out |
|
t4 | IT1 | IT0 | |||
| Angularity | |
t2 | IT3/2 | IT2/2 | |||
