| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| ABC | RW508B | Direct Cross Interchange | 6 |
| L&S Bearing | RW508B | Direct Cross Interchange | 6 |
| NDH | RW508B | Direct Cross Interchange | 6 |
| SKF | RW508B | Direct Cross Interchange | 6 |
| Precision Seals & Bearings | RW508BR | Indirect Cross Interchange | 3 |
| DT Components | RW508BR | Indirect Cross Interchange | 3 |
| TIMKEN | RW508BR | Indirect Cross Interchange | 2 |