| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| TIMKEN | 42101S | Direct Cross Interchange | 6 |
| SKF | 21121 | Direct Cross Interchange | 5 |
| NATIONAL | 42101S | Direct Cross Interchange | 4 |
| Precision Seals & Bearings | 42101S | Direct Cross Interchange | 3 |
| DT Components | 42101S | Direct Cross Interchange | 3 |
| IHC | 250646C91 | Indirect Cross Interchange | 5 |
| VICTOR | 47430 | Indirect Cross Interchange | 5 |
| IHC | 259323C91 | Indirect Cross Interchange | 5 |
| SEALED POWER | N21121 | Indirect Cross Interchange | 4 |
| IHC | 237913R1 | Indirect Cross Interchange | 4 |
| TIMKEN | 1048 | Indirect Cross Interchange | 4 |
| Fel-Pro | S15897 | Indirect Cross Interchange | 4 |
| TROSTEL | A61161 | Indirect Cross Interchange | 4 |
| TROSTEL | 61161 | Indirect Cross Interchange | 4 |
| TROSTEL | 25720804 | Indirect Cross Interchange | 4 |
| L&S Bearing | A61161S | Indirect Cross Interchange | 4 |
| L&S Bearing | A61161 | Indirect Cross Interchange | 4 |
| ALLIS-CHALMERS | 711890699 | Indirect Cross Interchange | 3 |
| ALLIS-CHALMERS | 71189069 | Indirect Cross Interchange | 3 |
| CHICAGO RAWHIDE | 512937 | Indirect Cross Interchange | 3 |
| CHICAGO RAWHIDE | 21126 | Indirect Cross Interchange | 3 |
| CHICAGO RAWHIDE | 21121 | Indirect Cross Interchange | 3 |
| ABC | 7121121 | Indirect Cross Interchange | 3 |
| Fel-Pro | 15897 | Indirect Cross Interchange | 3 |
| Deutz-Allis | 71189069 | Indirect Cross Interchange | 3 |
| Deutz-Allis | 1189069 | Indirect Cross Interchange | 3 |
| TRANSCOM | 212892VB | Indirect Cross Interchange | 3 |
| SKF | 512937 | Indirect Cross Interchange | 3 |
| SKF | 21126 | Indirect Cross Interchange | 3 |
| MOPAR PARTS | T3622 | Indirect Cross Interchange | 3 |
| ITM | PR6189 | Indirect Cross Interchange | 3 |
| FEDERAL MOGUL | 42101S | Indirect Cross Interchange | 3 |
| L&S Bearing | 7121121 | Indirect Cross Interchange | 3 |
| L&S Bearing | 61161S | Indirect Cross Interchange | 3 |
| L&S Bearing | 61161 | Indirect Cross Interchange | 3 |
| NATIONAL | 42101 | Indirect Cross Interchange | 2 |
| Bearings Inc | 1556786 | Indirect Cross Interchange | 2 |
| Bearings Inc | 1465640 | Indirect Cross Interchange | 2 |
| SKF Automotive | OS21121 | Indirect Cross Interchange | 2 |
| FREIGHTLNR | CHR21121 | Indirect Cross Interchange | 2 |
| Delco Moraine | 29099 | Indirect Cross Interchange | 2 |
| Dichtomatik | 212892VB | Indirect Cross Interchange | 2 |
| CR | 530066 | Indirect Cross Interchange | 2 |
| CR | 512937 | Indirect Cross Interchange | 2 |
| CR | 21126 | Indirect Cross Interchange | 2 |
| CR | 21121 | Indirect Cross Interchange | 2 |
| CHRYSLER | T3622 | Indirect Cross Interchange | 2 |
| SEALED POWER | N21126 | Indirect Cross Interchange | 2 |
| NAPA | 47430 | Indirect Cross Interchange | 2 |
| REPCO | PR6189 | Indirect Cross Interchange | 2 |
| REPCO | 28924N8A9 | Indirect Cross Interchange | 2 |
| TROSTEL | A61161S | Indirect Cross Interchange | 2 |
| FREIGHTLINER | CHR21121 | Indirect Cross Interchange | 1 |
| Deutz-Allis | 711890699 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 42101 | Indirect Cross Interchange | 1 |
| CARQUEST | 42101S | Indirect Cross Interchange | 1 |
| NAVISTAR | CR21121 | Indirect Cross Interchange | 1 |
| PACCAR | 21121CHR | Indirect Cross Interchange | 1 |
| TIMKEN | 42101 | Indirect Cross Interchange | 1 |
| OE | 42101 | Indirect Cross Interchange | 1 |
| MACK | 21121 | Indirect Cross Interchange | 1 |
| MACK | 145821121 | Indirect Cross Interchange | 1 |
| FORD | 965821121 | Indirect Cross Interchange | 1 |
| CHAMPION | 7121121 | Indirect Cross Interchange | 1 |
| CHAMPION | 6838044 | Indirect Cross Interchange | 1 |