| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| SKF | 7981 | Direct Cross Interchange | 1 |
| PACCAR | 7981CHR | Indirect Cross Interchange | 1 |
| Precision Seals & Bearings | 20X52X7 | Indirect Cross Interchange | 1 |
| DT Components | 20X52X7 | Indirect Cross Interchange | 1 |
| MACK | 14587981 | Indirect Cross Interchange | 1 |
| FORD | 96587981 | Indirect Cross Interchange | 1 |
| NAVISTAR | CR7981 | Indirect Cross Interchange | 1 |
| TIMKEN | 20X52X7 | Indirect Cross Interchange | 1 |
| TIMKEN | 205207XX | Indirect Cross Interchange | 1 |