| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| TIMKEN | 6581X | Direct Cross Interchange | 8 |
| FAG | K6581X | Direct Cross Interchange | 8 |
| Klockner-Humboldt-Deutz | 9596871 | Direct Cross Interchange | 8 |
| ZF | 0635501458 | Direct Cross Interchange | 8 |
| FIAT | 9596871 | Direct Cross Interchange | 8 |
| SKF | K6581X | Direct Cross Interchange | 8 |
| SKF | 6581X | Indirect Cross Interchange | 1 |