| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| SKF | SDK4406 | Direct Cross Interchange | 1 |
| Precision Seals & Bearings | DRK4406 | Direct Cross Interchange | 1 |
| DT Components | DRK4406 | Direct Cross Interchange | 1 |
| FEDERAL MOGUL | RA4406 | Indirect Cross Interchange | 2 |
| SKF | DK4406 | Indirect Cross Interchange | 2 |
| MERITOR | 4406 | Indirect Cross Interchange | 2 |
| CHICAGO RAWHIDE | DK4406 | Indirect Cross Interchange | 2 |
| PACCAR | DK4406SKF | Indirect Cross Interchange | 1 |