| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| SKF | 99491 | Direct Cross Interchange | 2 |
| TIMKEN | KWK99491 | Direct Cross Interchange | 2 |
| CHICAGO RAWHIDE | 99491 | Direct Cross Interchange | 1 |
| FEDERAL MOGUL | 99491 | Direct Cross Interchange | 1 |
| CUMMINS | 3906081 | Direct Cross Interchange | 1 |
| Precision Seals & Bearings | 99491 | Indirect Cross Interchange | 5 |
| NATIONAL | 99491 | Indirect Cross Interchange | 1 |