Tolerances for solid steel shafts - seats for thrust bearings1)
| Conditions | Shaft
diameter |
Dimensional
tolerance2) |
Total radial
run-out tolerance |
Total axial
run-out tolerance |
Ra |
| mm | – | – | – | µm | |
| Axial loads only on thrust ball bearings
| |||||
| h6 | IT5/2 | IT5 | 1,63) | ||
| Combined radial and axial loads on spherical roller thrust bearings | |||||
| Stationary load on shaft washer | all | j6 | IT5/2 | IT5 | 1,63) |
| Rotating load on shaft washer, | ≤ 200 | k6 | IT5/2 | IT5 | 1,63) |
| or direction of load indeterminate | > 200 to 400 | m6 | IT5/2 | IT5 | 1,6 |
| > 400 | n6 | IT5/2 | IT5 | 1,6 | |
-
1)
For cylindrical roller thrust bearings → Design considerations.
For needle roller thrust bearings → Design considerations.
- 2) Envelope requirement (symbol Ⓔ from ISO 14405-1) not written but applies.
- 3) For d ≤ 80 mm, use Ra = 0,8 µm.
