| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| BCA | 5211WSL | Direct Cross Interchange | 21 |
| BCA | 5211SL | Direct Cross Interchange | 21 |
| SKF | 5211EZNR | Direct Cross Interchange | 21 |
| SKF | 5211AZNR | Direct Cross Interchange | 21 |
| CLARK | 791488 | Direct Cross Interchange | 21 |
| CLARK | 712443 | Direct Cross Interchange | 21 |
| CLARK | 223326 | Direct Cross Interchange | 21 |
| ABMA | 55BG32JPXN | Direct Cross Interchange | 21 |
| ABMA | 55BE32JPXN | Direct Cross Interchange | 21 |
| ABMA | 55BD32JPXG | Direct Cross Interchange | 21 |
| MRC | 5211MFG | Direct Cross Interchange | 21 |
| MRC | 5211KFG | Direct Cross Interchange | 21 |
| MRC | 5211CFG | Direct Cross Interchange | 21 |
| FAFNIR | 5211WDG | Direct Cross Interchange | 21 |
| NDH | 45511W | Direct Cross Interchange | 21 |
| NDH | 45511 | Direct Cross Interchange | 21 |
| NSN | 3110005555575 | Direct Cross Interchange | 21 |
| NSN | 3110005165346 | Direct Cross Interchange | 21 |
| BCA | 5211WSLB | Direct Cross Interchange | 21 |
| Precision Seals & Bearings | 5211WSLB | Indirect Cross Interchange | 1 |
| DT Components | 5211WSLB | Indirect Cross Interchange | 1 |