| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| TIMKEN | 2581 | Direct Cross Interchange | 21 |
| KOYO | 2581 | Direct Cross Interchange | 21 |
| FAG | K2581 | Direct Cross Interchange | 21 |
| IHC | 50212V | Direct Cross Interchange | 21 |
| STUDEBAKER | 92504 | Direct Cross Interchange | 21 |
| STUDEBAKER | 510728 | Direct Cross Interchange | 21 |
| CASE IH | 50212V | Direct Cross Interchange | 21 |
| SKF | K2581 | Direct Cross Interchange | 21 |
| STAustin-Western | 312414 | Direct Cross Interchange | 21 |
| RIV | 282925 | Direct Cross Interchange | 21 |
| All Parts | 2581 | Direct Cross Interchange | 21 |
| BOWER | 2581 | Direct Cross Interchange | 21 |
| L&S Bearing | 2581 | Direct Cross Interchange | 21 |
| WHITE MOTOR | FT7004 | Direct Cross Interchange | 21 |
| WHITE MOTOR | AH1330 | Direct Cross Interchange | 21 |
| WHITE MOTOR | 45545 | Direct Cross Interchange | 21 |
| WHITE MOTOR | 3BD17 | Direct Cross Interchange | 21 |
| NSN | 3110001000729 | Direct Cross Interchange | 21 |
| SKF | 1114314 | Direct Cross Interchange | 21 |
| SKF | BR2581 | Indirect Cross Interchange | 5 |
| FEDERAL MOGUL | 2581 | Indirect Cross Interchange | 1 |
| FEDERAL | 2581 | Indirect Cross Interchange | 1 |