| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| CR | 15121TBR15245 | Direct Cross Interchange | 8 |
| SKF | K15121TK15245 | Direct Cross Interchange | 8 |
| TIMKEN | 15121T15245 | Direct Cross Interchange | 8 |
| IHC | 871299R91 | Direct Cross Interchange | 8 |
| ABC | 15121T15245 | Direct Cross Interchange | 8 |
| BOWER | 15121T15245 | Direct Cross Interchange | 8 |
| SKF | 15121T | Indirect Cross Interchange | 1 |
| NATIONAL | 15245 | Indirect Cross Interchange | 1 |
| SPIREX | S15245 | Indirect Cross Interchange | 1 |
| Precision Seals & Bearings | SeeComment | Indirect Cross Interchange | 1 |
| DT Components | SeeComment | Indirect Cross Interchange | 1 |