| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| NDH | R1220YAS | Direct Cross Interchange | 9 |
| NDH | R12201220YAS | Direct Cross Interchange | 9 |
| SKF | R1220YAS | Direct Cross Interchange | 9 |
| SKF | MR1220EHX | Direct Cross Interchange | 9 |
| ALLIS-CHALMERS | E515545 | Direct Cross Interchange | 9 |
| BOWER | MR1220M1220EHL | Direct Cross Interchange | 9 |
| BOWER | MR1220EHL | Direct Cross Interchange | 9 |
| Precision Seals & Bearings | MR1220EHL | Indirect Cross Interchange | 3 |
| DT Components | MR1220EHL | Indirect Cross Interchange | 3 |