| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| TIMKEN | 32021X | Direct Cross Interchange | 1 |
| SKF | 32021XQ | Indirect Cross Interchange | 1 |
| SKF | 32021X | Indirect Cross Interchange | 1 |
| MERITOR | A1228F1540 | Indirect Cross Interchange | 1 |
| FAG | 32021X | Indirect Cross Interchange | 1 |
| ROCKWELL | A11228B600 | Indirect Cross Interchange | 1 |
| Precision Seals & Bearings | 32021X | Indirect Cross Interchange | 1 |
| DT Components | 32021X | Indirect Cross Interchange | 1 |
| GM | 9442198 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 32021X | Indirect Cross Interchange | 1 |