Recommended limits for the speed factor of bearings and bearing units with Solid Oil
| Bearing type | Speed factor ndm |
| – | mm/min |
| Deep groove ball bearings | |
| – single row with a stamped metal cage | 300 000 |
| – single row with a polymer cage | 40 000 |
| – double row | 40 000 |
| Angular contact ball bearings | |
| – with a stamped metal cage | 150 000 |
| – with a polymer cage | 40 000 |
| Self-aligning ball bearings | |
| – with a stamped metal cage | 150 000 |
| – with a polymer cage | 40 000 |
| Cylindrical roller bearings | |
| – with a stamped metal cage | 150 000 |
| – with a polymer cage | 40 000 |
| Tapered roller bearings | 45 000 |
| Spherical roller bearings | |
| – E design | 42 500 |
| – CC design | 85 000 |
| Insert bearings, ball bearing units | 40 000 |
| n = rotational speed [r/min] | |
| dm = bearing mean diameter [mm]
= 0,5 (d + D) | |
For bearings with integral seals, use 80% of the quoted speed limits.
