| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| Precision Seals & Bearings | DRK337 | Direct Cross Interchange | 7 |
| TIMKEN | DRK337 | Direct Cross Interchange | 5 |
| FEDERAL MOGUL | RA337 | Direct Cross Interchange | 4 |
| SKF | DK337 | Direct Cross Interchange | 4 |
| TIMKEN | TS80R | Direct Cross Interchange | 3 |
| CHICAGO RAWHIDE | DK337 | Direct Cross Interchange | 3 |
| SKF | SDK337 | Indirect Cross Interchange | 1 |