| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| MRC | 221MFF | Direct Cross Interchange | 13 |
| JOY MFG | A94CX221 | Direct Cross Interchange | 13 |
| FAFNIR | 221WDD | Direct Cross Interchange | 13 |
| NDH | 77221 | Direct Cross Interchange | 13 |
| NSN | 3110001556813 | Direct Cross Interchange | 13 |
| BCA | 1221SS | Direct Cross Interchange | 13 |
| SKF | 2212Z | Direct Cross Interchange | 13 |
| NTN | BL221ZZ | Direct Cross Interchange | 13 |
| NSK-RHP | BL221ZZ | Direct Cross Interchange | 13 |
| FAG | 2212Z | Direct Cross Interchange | 13 |
| FEDERAL | 1221MFF | Direct Cross Interchange | 13 |