| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| SKF | NAO50X78X20 | Direct Cross Interchange | 7 |
| TIMKEN | NAO50X78X20 | Direct Cross Interchange | 7 |
| NTN | NAOR50X78X20 | Direct Cross Interchange | 7 |
| INA | NAO50X78X20 | Direct Cross Interchange | 7 |
| FAG | NAO50X78X20 | Direct Cross Interchange | 7 |