| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| VICTOR | 66887 | Direct Cross Interchange | 4 |
| TIMKEN | 556808XX | Direct Cross Interchange | 3 |
| SKF | 21648 | Direct Cross Interchange | 3 |
| FEDERAL MOGUL | 55X68X8 | Direct Cross Interchange | 2 |
| CHICAGO RAWHIDE | 21648 | Direct Cross Interchange | 1 |
| CHICAGO RAWHIDE | 21603 | Direct Cross Interchange | 1 |
| NOK | BD4376E0 | Direct Cross Interchange | 1 |
| SKF | 21603 | Direct Cross Interchange | 1 |
| Dichtomatik | 55X68X8TC | Direct Cross Interchange | 1 |
| Dichtomatik | 55X68X8SC | Direct Cross Interchange | 1 |
| Precision Seals & Bearings | 55X68X8 | Indirect Cross Interchange | 10 |
| NATIONAL | 225500 | Indirect Cross Interchange | 6 |
| DT Components | 225500 | Indirect Cross Interchange | 6 |
| Precision Seals & Bearings | 225500 | Indirect Cross Interchange | 6 |
| TIMKEN | 225500 | Indirect Cross Interchange | 4 |
| LAZORLITE | U819085 | Indirect Cross Interchange | 3 |
| BECK/ARNLEY | 0523269 | Indirect Cross Interchange | 3 |
| STEFA | 55X68X8CC | Indirect Cross Interchange | 3 |
| TRANSCOM | 55X68X8TC | Indirect Cross Interchange | 3 |
| WESTON | 55X68X8R23 | Indirect Cross Interchange | 3 |
| SKF Automotive | OS21648 | Indirect Cross Interchange | 2 |
| FREIGHTLNR | CHR21648 | Indirect Cross Interchange | 2 |
| WESTON | W55X68X8R23 | Indirect Cross Interchange | 2 |
| SIMRIT | 55X68X8 | Indirect Cross Interchange | 2 |
| VOLKSWAGEN | 281407641C | Indirect Cross Interchange | 2 |
| VOLKSWAGEN | 251407641A | Indirect Cross Interchange | 2 |
| CR | 21648 | Indirect Cross Interchange | 2 |
| NATIONAL | 55X68X8 | Indirect Cross Interchange | 2 |
| SEALED POWER | N21648 | Indirect Cross Interchange | 2 |
| NAPA | 66887 | Indirect Cross Interchange | 2 |
| TIMKEN | 55X68X8 | Indirect Cross Interchange | 1 |
| CARQUEST | 225500 | Indirect Cross Interchange | 1 |
| CANADIAN TIRE | 01612796 | Indirect Cross Interchange | 1 |
| PACCAR | 21648CHR | Indirect Cross Interchange | 1 |
| SKF | 21652 | Indirect Cross Interchange | 1 |
| ABC | 225500 | Indirect Cross Interchange | 1 |
| ITM | 1523314 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 225500 | Indirect Cross Interchange | 1 |
| ITM | 1523309 | Indirect Cross Interchange | 1 |
| L&S Bearing | 71225500 | Indirect Cross Interchange | 1 |
| NOK | 12013929 | Indirect Cross Interchange | 1 |
| FREIGHTLINER | CHR21648 | Indirect Cross Interchange | 1 |
| GOETZE | 5130181500 | Indirect Cross Interchange | 1 |
| VW | 281407641C | Indirect Cross Interchange | 1 |
| VW | 251407641A | Indirect Cross Interchange | 1 |
| MACK | 21648 | Indirect Cross Interchange | 1 |
| MACK | 145821648 | Indirect Cross Interchange | 1 |
| FORD | 965821648 | Indirect Cross Interchange | 1 |
| NAVISTAR | CR21648 | Indirect Cross Interchange | 1 |
| CARQUEST | 55X68X8 | Indirect Cross Interchange | 1 |