| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| NSN | 3110002770653 | Direct Cross Interchange | 21 |
| SKF | MA1211GUV | Direct Cross Interchange | 21 |
| SKF | HNU211ANR | Direct Cross Interchange | 21 |
| SKF | A1211TGS | Direct Cross Interchange | 21 |
| ALLIS-CHALMERS | 052781 | Direct Cross Interchange | 21 |
| ALLIS-CHALMERS | 00572818 | Direct Cross Interchange | 21 |
| POLLARD | B2011SGP | Direct Cross Interchange | 21 |
| Aetna Bearing | L1212PGR | Direct Cross Interchange | 21 |
| Aetna Bearing | L1211PGR | Direct Cross Interchange | 21 |
| ROLLWAY | E1211BHC019 | Direct Cross Interchange | 21 |
| ROLLWAY | E1211B019 | Direct Cross Interchange | 21 |
| All Parts | MA1211GEL | Direct Cross Interchange | 21 |
| BOWER | MA1211M1211GEL | Direct Cross Interchange | 21 |
| BOWER | MA1211GEL | Direct Cross Interchange | 21 |
| LINK BELT | MA1211GUV | Direct Cross Interchange | 21 |
| NDH | A1211TGS | Direct Cross Interchange | 21 |
| NDH | A12111211TGS | Direct Cross Interchange | 21 |
| FIAT | 70057281 | Direct Cross Interchange | 21 |
| RHP | B2011SGP | Direct Cross Interchange | 21 |
| TIMKEN | MA1211GEL | Indirect Cross Interchange | 2 |