| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| SKF | 21270 | Direct Cross Interchange | 1 |
| NSN | 5330001356382 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 53365 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 39717 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 39302 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 2439H | Indirect Cross Interchange | 1 |
| NAVISTAR | CR21270 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 2439 | Indirect Cross Interchange | 1 |
| TIMKEN | 53365 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 2349 | Indirect Cross Interchange | 1 |
| TIMKEN | 39717 | Indirect Cross Interchange | 1 |
| CARQUEST | 39717 | Indirect Cross Interchange | 1 |
| TIMKEN | 39302 | Indirect Cross Interchange | 1 |
| CARQUEST | 39302 | Indirect Cross Interchange | 1 |
| TIMKEN | 2439H | Indirect Cross Interchange | 1 |
| TIMKEN | 2439 | Indirect Cross Interchange | 1 |
| TIMKEN | 2349 | Indirect Cross Interchange | 1 |
| PACCAR | 21270CHR | Indirect Cross Interchange | 1 |
| CATERPILLAR | 6610213511 | Indirect Cross Interchange | 1 |
| CUMMINS | 211255 | Indirect Cross Interchange | 1 |
| CUMMINS | 210834 | Indirect Cross Interchange | 1 |
| CUMMINS | 149488 | Indirect Cross Interchange | 1 |
| CUMMINS | 103081 | Indirect Cross Interchange | 1 |
| FREIGHTLINER | CHR21270 | Indirect Cross Interchange | 1 |
| Precision Seals & Bearings | 39302 | Indirect Cross Interchange | 1 |
| DT Components | 39302 | Indirect Cross Interchange | 1 |
| AutoZone | 39302 | Indirect Cross Interchange | 1 |
| MCCORD | 2439 | Indirect Cross Interchange | 1 |
| Spicer-Dana | 46320 | Indirect Cross Interchange | 1 |
| Fel-Pro | 15904 | Indirect Cross Interchange | 1 |
| VICTOR | 49738 | Indirect Cross Interchange | 1 |
| VICTOR | 48165 | Indirect Cross Interchange | 1 |
| L&S Bearing | 7121270 | Indirect Cross Interchange | 1 |
| MACK | 145821270 | Indirect Cross Interchange | 1 |
| FORD | 965821270 | Indirect Cross Interchange | 1 |
| PRECISION AUTOMOTIVE INDUSTRIES | 39302 | Indirect Cross Interchange | 1 |
| PARTS PLUS | P39302 | Indirect Cross Interchange | 1 |