| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| SKF | 321 | Direct Cross Interchange | 25 |
| NTN | BL321 | Direct Cross Interchange | 25 |
| NSK-RHP | M321 | Direct Cross Interchange | 25 |
| KOYO | 1321 | Direct Cross Interchange | 25 |
| FEDERAL | 1321M | Direct Cross Interchange | 25 |
| Fafnir Bearing | 8321 | Direct Cross Interchange | 25 |
| SCHEERER | 6321H | Direct Cross Interchange | 25 |
| AHLBERG | M6321 | Direct Cross Interchange | 25 |
| Norma-Hoffmann | MT321 | Direct Cross Interchange | 25 |
| R&M | MJBL105 | Direct Cross Interchange | 25 |
| MCGILL | 321N | Direct Cross Interchange | 25 |
| STAustin-Western | 311385 | Direct Cross Interchange | 25 |
| ABMA | 105BL03J | Direct Cross Interchange | 25 |
| ABMA | 105BL03 | Direct Cross Interchange | 25 |
| ABMA | 105BH03J | Direct Cross Interchange | 25 |
| JOY MFG | B94AX321 | Direct Cross Interchange | 25 |
| FAFNIR | 8321 | Direct Cross Interchange | 25 |
| FAFNIR | 321W | Direct Cross Interchange | 25 |
| NDH | 1321 | Direct Cross Interchange | 25 |
| GM | 901321 | Direct Cross Interchange | 25 |
| RHP | M321 | Direct Cross Interchange | 25 |
| NSN | 3110001556814 | Direct Cross Interchange | 25 |
| BCA | 1321 | Direct Cross Interchange | 25 |