| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| NTN | 6221Z | Direct Cross Interchange | 25 |
| NACHI | 6221Z | Direct Cross Interchange | 25 |
| KOYO | 6221Z | Direct Cross Interchange | 25 |
| FAG | 6221Z | Direct Cross Interchange | 25 |
| STEYR | 6221Z | Direct Cross Interchange | 25 |
| FEDERAL | 1221F | Direct Cross Interchange | 25 |
| Fafnir Bearing | 6221P | Direct Cross Interchange | 25 |
| VBF | 60221 | Direct Cross Interchange | 25 |
| AHLBERG | 6221G | Direct Cross Interchange | 25 |
| SRO | 6221Z | Direct Cross Interchange | 25 |
| HOFFMANN | 205P | Direct Cross Interchange | 25 |
| Norma-Hoffmann | 221P | Direct Cross Interchange | 25 |
| RIV | 18APL | Direct Cross Interchange | 25 |
| General Electric | 2892332P22 | Direct Cross Interchange | 25 |
| ABMA | 105BC02JP | Direct Cross Interchange | 25 |
| MRC | 221SF | Direct Cross Interchange | 25 |
| FAFNIR | 221KD | Direct Cross Interchange | 25 |
| NDH | 7521 | Direct Cross Interchange | 25 |
| RHP | 6221Z | Direct Cross Interchange | 25 |
| NSN | 3110001567674 | Direct Cross Interchange | 25 |
| NSN | 3110001556254 | Direct Cross Interchange | 25 |
| BCA | 221S | Direct Cross Interchange | 25 |
| SKF | 6221Z | Direct Cross Interchange | 25 |