| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| SKF | 5210E2Z | Direct Cross Interchange | 4 |
| SKF | 5210A2ZC3 | Direct Cross Interchange | 4 |
| SKF | 5210A2Z | Direct Cross Interchange | 4 |
| FEDERAL | 5210KSSE | Direct Cross Interchange | 1 |
| FEDERAL MOGUL | 5210KSSE | Direct Cross Interchange | 1 |
| FAFNIR | 5210KDD | Indirect Cross Interchange | 3 |
| FAFNIR | 5210DD | Indirect Cross Interchange | 3 |
| NDH | 55510W | Indirect Cross Interchange | 3 |
| NDH | 55510 | Indirect Cross Interchange | 3 |
| CR | 5210E2Z | Indirect Cross Interchange | 3 |
| SEALED POWER | B5210WS2 | Indirect Cross Interchange | 3 |
| SEALED POWER | 5210WSS | Indirect Cross Interchange | 3 |
| RHP | 3210B2Z | Indirect Cross Interchange | 3 |
| NSN | 3110011818123 | Indirect Cross Interchange | 3 |
| NSN | 3110010818255 | Indirect Cross Interchange | 3 |
| NSN | 3110009854445 | Indirect Cross Interchange | 3 |
| NSN | 3110008344750 | Indirect Cross Interchange | 3 |
| NSN | 3110005543427 | Indirect Cross Interchange | 3 |
| NSN | 3110002273275 | Indirect Cross Interchange | 3 |
| NAPA | 5210WSS | Indirect Cross Interchange | 3 |
| NTN | 5210AZZ | Indirect Cross Interchange | 3 |
| NSK-RHP | 5210ZZ | Indirect Cross Interchange | 3 |
| NSK-RHP | 5210FF | Indirect Cross Interchange | 3 |
| NSK-RHP | 3210ZZ | Indirect Cross Interchange | 3 |
| KOYO | 5210ZZ | Indirect Cross Interchange | 3 |
| INA | 3210ZZ | Indirect Cross Interchange | 3 |
| INA | 32102Z | Indirect Cross Interchange | 3 |
| FAG | 3210B2ZRTVH | Indirect Cross Interchange | 3 |
| SNR | 5210EE | Indirect Cross Interchange | 3 |
| ALLIS-CHALMERS | 42543249 | Indirect Cross Interchange | 3 |
| ALLIS-CHALMERS | 4254324 | Indirect Cross Interchange | 3 |
| FEDERAL | FSA55510 | Indirect Cross Interchange | 3 |
| SKF | 3210A2Z | Indirect Cross Interchange | 3 |
| FEDERAL | FS55510 | Indirect Cross Interchange | 3 |
| ABMA | 50BG32JPP | Indirect Cross Interchange | 3 |
| BCA | 5210WSS | Indirect Cross Interchange | 3 |
| ABMA | 50BE32JPP | Indirect Cross Interchange | 3 |
| MRC | 5210KFF | Indirect Cross Interchange | 3 |
| BCA | 5210KSSE | Indirect Cross Interchange | 3 |
| ABMA | 50BD32JPP | Indirect Cross Interchange | 3 |
| SKF | 5210E2ZC3 | Indirect Cross Interchange | 3 |
| MRC | 5210SBKFF | Indirect Cross Interchange | 3 |
| MRC | 5210CFF | Indirect Cross Interchange | 3 |
| MRC | 5210MFF | Indirect Cross Interchange | 3 |
| FAFNIR | 5210WDD | Indirect Cross Interchange | 3 |
| Precision Seals & Bearings | 5210WSS | Indirect Cross Interchange | 1 |
| DT Components | 5210WSS | Indirect Cross Interchange | 1 |