| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| FEDERAL MOGUL | 51X81X8 | Direct Cross Interchange | 1 |
| SKF | 20280 | Direct Cross Interchange | 1 |
| CHICAGO RAWHIDE | 20280 | Direct Cross Interchange | 1 |
| Precision Seals & Bearings | 51X81X8 | Indirect Cross Interchange | 3 |
| MACK | 145820280 | Indirect Cross Interchange | 1 |
| FORD | 965820280 | Indirect Cross Interchange | 1 |
| NAVISTAR | CR20280 | Indirect Cross Interchange | 1 |
| PACCAR | 20280CHR | Indirect Cross Interchange | 1 |
| FREIGHTLINER | CHR20280 | Indirect Cross Interchange | 1 |
| L&S Bearing | 7120280 | Indirect Cross Interchange | 1 |
| MACK | 20280 | Indirect Cross Interchange | 1 |