| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| SKF | R1561F | Direct Cross Interchange | 1 |
| TIMKEN | TF01561R | Indirect Cross Interchange | 1 |
| Precision Seals & Bearings | RP1561FO | Indirect Cross Interchange | 1 |
| DT Components | RP1561FO | Indirect Cross Interchange | 1 |
| MACK | 1458R1561F | Indirect Cross Interchange | 1 |
| GREEN | FO1561 | Indirect Cross Interchange | 1 |