| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| SKF | KR12051Z | Direct Cross Interchange | 11 |
| McQuay-Norris | BT12051ZKR | Direct Cross Interchange | 11 |
| GM | 9442309 | Direct Cross Interchange | 10 |
| GM | 7451041 | Direct Cross Interchange | 10 |
| GM | 7451040 | Direct Cross Interchange | 10 |
| PERFECT CIRCLE | KR12051Z | Direct Cross Interchange | 10 |
| FEDERAL | KR12051Z | Direct Cross Interchange | 10 |
| L&S Bearing | KR12051Z | Direct Cross Interchange | 10 |
| ABC | KR12051Z | Direct Cross Interchange | 10 |
| TIMKEN | KR12051Z | Direct Cross Interchange | 4 |
| FEDERAL MOGUL | KR12051Z | Direct Cross Interchange | 2 |
| GM | 15533288 | Direct Cross Interchange | 1 |
| CHICAGO RAWHIDE | KR12051Z | Direct Cross Interchange | 1 |
| Hyatt | KR12051Z | Direct Cross Interchange | 1 |
| DT Components | KR12051Z | Indirect Cross Interchange | 14 |
| BOWER | 395ES394CS | Indirect Cross Interchange | 9 |
| LINK BELT | BS225226 | Indirect Cross Interchange | 9 |
| CHRYSLER | YR90 | Indirect Cross Interchange | 9 |
| SEALED POWER | FKR12051Z | Indirect Cross Interchange | 9 |
| NSN | 3110007221000 | Indirect Cross Interchange | 9 |
| ACDelco | KR12051Z | Indirect Cross Interchange | 9 |
| ACDelco | K33 | Indirect Cross Interchange | 9 |
| NDH | KR12051Z | Indirect Cross Interchange | 9 |
| NDH | K33 | Indirect Cross Interchange | 9 |
| CR | KR12051Z | Indirect Cross Interchange | 9 |
| CR | KR120512 | Indirect Cross Interchange | 9 |
| Roller Bearing Co | KR12051Z | Indirect Cross Interchange | 9 |
| NICE | KR12051Z | Indirect Cross Interchange | 9 |
| BOWER | KR12051Z | Indirect Cross Interchange | 9 |
| MACK | 1458KR12051Z | Indirect Cross Interchange | 1 |