| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| SKF | 6221NRJ | Direct Cross Interchange | 2 |
| CHICAGO RAWHIDE | 6221NRJ | Direct Cross Interchange | 1 |
| SEALED POWER | B221R | Direct Cross Interchange | 1 |
| DT Components | 221L | Indirect Cross Interchange | 3 |
| RHP | 6221NR | Indirect Cross Interchange | 1 |
| IMPEXMETAL | 6221N | Indirect Cross Interchange | 1 |
| ZWZ | 6221N | Indirect Cross Interchange | 1 |
| RHP | 6221N | Indirect Cross Interchange | 1 |
| MCGILL | 221G | Indirect Cross Interchange | 1 |
| RHP | 205KR | Indirect Cross Interchange | 1 |
| MRC | 221SG | Indirect Cross Interchange | 1 |
| RIV | 18ADY | Indirect Cross Interchange | 1 |
| NSN | 3110005557715 | Indirect Cross Interchange | 1 |
| JOY MFG | D94DX221 | Indirect Cross Interchange | 1 |
| RIV | 18AD | Indirect Cross Interchange | 1 |
| NSN | 3110005061215 | Indirect Cross Interchange | 1 |
| JOY MFG | 940019221 | Indirect Cross Interchange | 1 |
| ABMA | 105BC02JXXG | Indirect Cross Interchange | 1 |
| BCA | 221L | Indirect Cross Interchange | 1 |
| FAFNIR | 6221SR | Indirect Cross Interchange | 1 |
| FAFNIR | 221KG | Indirect Cross Interchange | 1 |
| NDH | 43221 | Indirect Cross Interchange | 1 |
| CR | 6221NRJ | Indirect Cross Interchange | 1 |
| MACK | 46AX434 | Indirect Cross Interchange | 1 |
| GM | 954433 | Indirect Cross Interchange | 1 |
| GM | 9411306 | Indirect Cross Interchange | 1 |
| GM | 9411305 | Indirect Cross Interchange | 1 |
| GM | 907619 | Indirect Cross Interchange | 1 |
| GM | 9042419 | Indirect Cross Interchange | 1 |
| GM | 42419 | Indirect Cross Interchange | 1 |
| SKF | 6221NR | Indirect Cross Interchange | 1 |
| TIMKEN | 221L | Indirect Cross Interchange | 1 |
| NTN | 6221NR | Indirect Cross Interchange | 1 |
| NTN | 6221N | Indirect Cross Interchange | 1 |
| NSK-RHP | 6221NR | Indirect Cross Interchange | 1 |
| NSK-RHP | 221G | Indirect Cross Interchange | 1 |
| NACHI | 6221NR | Indirect Cross Interchange | 1 |
| KOYO | 6221NR | Indirect Cross Interchange | 1 |
| FAG | 6221NR | Indirect Cross Interchange | 1 |
| IHC | 262213C91 | Indirect Cross Interchange | 1 |
| AHLBERG | 6221K | Indirect Cross Interchange | 1 |
| SNR | 6221NR | Indirect Cross Interchange | 1 |
| SRO | 6221NR | Indirect Cross Interchange | 1 |
| SNR | 6221N | Indirect Cross Interchange | 1 |
| STEYR | 6221NR | Indirect Cross Interchange | 1 |
| ZF | 0635332107 | Indirect Cross Interchange | 1 |
| STEYR | 6221N | Indirect Cross Interchange | 1 |
| ZF | 0635304902 | Indirect Cross Interchange | 1 |
| FEDERAL | 1221CG | Indirect Cross Interchange | 1 |
| IMPEXMETAL | 6221NR | Indirect Cross Interchange | 1 |