| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| L&S Bearing | RW508B | Direct Cross Interchange | 9 |
| ABC | RW508B | Direct Cross Interchange | 8 |
| NDH | RW508B | Direct Cross Interchange | 6 |
| ACDelco | RW508B | Direct Cross Interchange | 6 |
| TIMKEN | RW508BR | Direct Cross Interchange | 5 |
| Precision Seals & Bearings | RW508BR | Direct Cross Interchange | 5 |
| DT Components | RW508BR | Direct Cross Interchange | 5 |
| FEDERAL | RW508AR | Indirect Cross Interchange | 3 |
| GM | 907800 | Indirect Cross Interchange | 3 |
| GM | 907677 | Indirect Cross Interchange | 3 |
| GM | 12334028 | Indirect Cross Interchange | 3 |
| McQuay-Norris | BB508RWB | Indirect Cross Interchange | 3 |
| FEDERAL MOGUL | RW508BR | Indirect Cross Interchange | 3 |
| SKF | RW508BR | Indirect Cross Interchange | 3 |
| SKF | 460951R | Indirect Cross Interchange | 3 |
| PERFECT CIRCLE | RW508BR | Indirect Cross Interchange | 2 |
| ACDelco | RW508BR | Indirect Cross Interchange | 2 |
| GREEN | RW508BR | Indirect Cross Interchange | 2 |
| ABC | RW508BR | Indirect Cross Interchange | 2 |
| New Departure | RW508BR | Indirect Cross Interchange | 2 |
| New Departure | RW508B | Indirect Cross Interchange | 2 |
| MRC | RW508BR | Indirect Cross Interchange | 2 |
| L&S Bearing | RW508BR | Indirect Cross Interchange | 2 |
| CHICAGO RAWHIDE | RW508BR | Indirect Cross Interchange | 2 |
| CHRYSLER | YW508BR | Indirect Cross Interchange | 1 |