| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| TIMKEN | K15X21X21H | Direct Cross Interchange | 9 |
| NTN | RK15X21X21 | Direct Cross Interchange | 9 |
| INA | K15X21X21 | Direct Cross Interchange | 9 |
| FAG | K15X21X21F | Direct Cross Interchange | 9 |
| TORRINGTON | FWJ152121 | Direct Cross Interchange | 9 |
| SKF | RK152121 | Direct Cross Interchange | 9 |
| SKF | K15X21X21 | Direct Cross Interchange | 9 |