| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| Precision Seals & Bearings | 221PKG | Direct Cross Interchange | 1 |
| DT Components | 221PKG | Direct Cross Interchange | 1 |
| TIMKEN | 221R | Indirect Cross Interchange | 2 |
| TIMKEN | 221PKG | Indirect Cross Interchange | 2 |
| FEDERAL MOGUL | 221PKG | Indirect Cross Interchange | 2 |