| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| TIMKEN | 512021 | Direct Cross Interchange | 3 |
| SKF | BR930195 | Direct Cross Interchange | 3 |
| BCA | 512021 | Direct Cross Interchange | 1 |
| Drive Tech America | NT512021 | Indirect Cross Interchange | 3 |
| GMB | 7200309 | Indirect Cross Interchange | 3 |
| OE | 4509325B | Indirect Cross Interchange | 2 |
| OE | 4423893 | Indirect Cross Interchange | 2 |
| Precision Seals & Bearings | 512021 | Indirect Cross Interchange | 2 |
| DT Components | 512021 | Indirect Cross Interchange | 2 |
| FAG | RW821 | Indirect Cross Interchange | 2 |
| RAYBESTOS | 712021 | Indirect Cross Interchange | 1 |
| FEDERAL | 512021 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 512021 | Indirect Cross Interchange | 1 |
| PTC | PT512021 | Indirect Cross Interchange | 1 |
| CHRYSLER | 4509325B | Indirect Cross Interchange | 1 |
| CHRYSLER | 4509325 | Indirect Cross Interchange | 1 |
| CHRYSLER | 4423893 | Indirect Cross Interchange | 1 |