Housing fits
| Operating conditions | Tolerance class1) | |
| Sliding contact surface combination | ||
| steel/steel,
SKF Explorer steel/steel |
steel/PTFE sintered bronze,
steel/PTFE fabric, steel/PTFE FRP |
|
| Radial spherical plain bearings | ||
| Light loads, | ||
| axial displacement required | H7 | H7 |
| Heavy loads | M7 (N7) | K7 |
| Light alloy housings | N7 | M7 |
| Angular contact spherical plain bearings | ||
| Loads of all kinds, | ||
| interference fit | M7 (N7) | M7 |
| Loads of all kinds, | ||
| can generally be displaced axially | J7 | J7 |
| Thrust spherical plain bearings | ||
| Purely axial loads | H11 | H11 |
| Combined loads | J7 | J7 |
| The tolerance classes in brackets should be selected for very heavily loaded bearings. If selected, be sure that the residual operating clearance of the radial bearing is sufficient for proper performance or whether a bearing with larger clearance must be used.
| ||
-
1)
All ISO tolerance classes are valid with the envelope requirement (such as h7
) in accordance with ISO 14405-1:2010.
