| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| TIMKEN | 21212 | Direct Cross Interchange | 5 |
| SKF | BR21212 | Direct Cross Interchange | 4 |
| Precision Seals & Bearings | 21212 | Direct Cross Interchange | 3 |
| DT Components | 21212 | Direct Cross Interchange | 3 |
| IHC | 537188R1 | Indirect Cross Interchange | 4 |
| STUDEBAKER | 1690073 | Indirect Cross Interchange | 4 |
| STUDEBAKER | 111238 | Indirect Cross Interchange | 4 |
| STUDEBAKER | 110037 | Indirect Cross Interchange | 4 |
| ALLIS-CHALMERS | 158516 | Indirect Cross Interchange | 4 |
| CLARK | 731312 | Indirect Cross Interchange | 4 |
| Spicer-Dana | 550769 | Indirect Cross Interchange | 4 |
| CHRYSLER | 598837 | Indirect Cross Interchange | 4 |
| WHITE MOTOR | 28618 | Indirect Cross Interchange | 4 |
| WHITE MOTOR | 149068 | Indirect Cross Interchange | 4 |
| MACK | 149068 | Indirect Cross Interchange | 4 |
| GM | 136849 | Indirect Cross Interchange | 4 |
| FAG | K21212 | Indirect Cross Interchange | 3 |
| SKF | 21212 | Indirect Cross Interchange | 3 |
| SKF | 1115029 | Indirect Cross Interchange | 3 |
| AMC | 51694 | Indirect Cross Interchange | 3 |
| PERFECT CIRCLE | 21212 | Indirect Cross Interchange | 3 |
| IHC | 400991R1 | Indirect Cross Interchange | 3 |
| IHC | 394168R91 | Indirect Cross Interchange | 3 |
| SEALED POWER | F21212 | Indirect Cross Interchange | 3 |
| WHITE MOTOR | 1BL0333 | Indirect Cross Interchange | 3 |
| JOY MFG | 9600881 | Indirect Cross Interchange | 3 |
| BRITISH LEYLAND | 561088 | Indirect Cross Interchange | 3 |
| McQuay-Norris | BT21212 | Indirect Cross Interchange | 3 |
| RIV | 018221 | Indirect Cross Interchange | 3 |
| RIV | 018121 | Indirect Cross Interchange | 3 |
| Spicer-Dana | 5507691 | Indirect Cross Interchange | 3 |
| HYSTER | 30002 | Indirect Cross Interchange | 3 |
| KENWORTH | KW1769 | Indirect Cross Interchange | 3 |
| MOPAR PARTS | 320250 | Indirect Cross Interchange | 2 |
| AUSTIN-WESTERN | 313276 | Indirect Cross Interchange | 2 |
| Hyatt | 21212 | Indirect Cross Interchange | 2 |
| CHICAGO RAWHIDE | BR21212 | Indirect Cross Interchange | 2 |
| CHRYSLER | 320250 | Indirect Cross Interchange | 2 |
| ACDelco | 21212 | Indirect Cross Interchange | 2 |
| CASE IH | 400991R91 | Indirect Cross Interchange | 1 |
| KOYO | 21212 | Indirect Cross Interchange | 1 |
| NSN | 3110001000538 | Indirect Cross Interchange | 1 |
| CASE IH | 400991R1 | Indirect Cross Interchange | 1 |
| BMC | 561088 | Indirect Cross Interchange | 1 |
| NIPPON | 21212 | Indirect Cross Interchange | 1 |
| ALLIS-CHALMERS | 0158516 | Indirect Cross Interchange | 1 |
| SEALED POWER | 1690073 | Indirect Cross Interchange | 1 |
| GREEN | 21212 | Indirect Cross Interchange | 1 |
| JEEP | 51694 | Indirect Cross Interchange | 1 |
| SEALED POWER | 111238 | Indirect Cross Interchange | 1 |
| DEERE JOHN | JD9158 | Indirect Cross Interchange | 1 |
| CARQUEST | 21212 | Indirect Cross Interchange | 1 |
| SKF | K21212 | Indirect Cross Interchange | 1 |
| AUSTIN | 313276 | Indirect Cross Interchange | 1 |
| BOWER | 21212 | Indirect Cross Interchange | 1 |
| L&S Bearing | 21212 | Indirect Cross Interchange | 1 |
| NDH | 21212 | Indirect Cross Interchange | 1 |
| CR | BR21212 | Indirect Cross Interchange | 1 |
| CR | 21212 | Indirect Cross Interchange | 1 |
| All Parts | 21212 | Indirect Cross Interchange | 1 |
| ABC | 21212 | Indirect Cross Interchange | 1 |
| JOY MFG | 96X38 | Indirect Cross Interchange | 1 |
| JOY MFG | 96X21212 | Indirect Cross Interchange | 1 |
| MACK | 1458BR21212 | Indirect Cross Interchange | 1 |
| GM | 9440755 | Indirect Cross Interchange | 1 |
| GM | 457203 | Indirect Cross Interchange | 1 |
| GM | 136850 | Indirect Cross Interchange | 1 |
| WHITE MOTOR | 1L0333 | Indirect Cross Interchange | 1 |
| NICE | 21212 | Indirect Cross Interchange | 1 |
| NICE | 1115029 | Indirect Cross Interchange | 1 |
| STAustin-Western | 313276 | Indirect Cross Interchange | 1 |
| American Motors | 51694 | Indirect Cross Interchange | 1 |
| Spicer-Dana | H18127 | Indirect Cross Interchange | 1 |
| FORD | D0NN7N048A | Indirect Cross Interchange | 1 |
| IHC | 747493 | Indirect Cross Interchange | 1 |
| FEDERAL | 21212 | Indirect Cross Interchange | 1 |
| IHC | 394168R1 | Indirect Cross Interchange | 1 |
| ZF | 0635501766 | Indirect Cross Interchange | 1 |
| IHC | 394166R91 | Indirect Cross Interchange | 1 |
| JOHN DEERE | JD9158 | Indirect Cross Interchange | 1 |
| NTN | ET21212 | Indirect Cross Interchange | 1 |
| NSN | JAN711212121000 | Indirect Cross Interchange | 1 |
| CASE IH | H747493 | Indirect Cross Interchange | 1 |
| NTN | 4T21212 | Indirect Cross Interchange | 1 |
| NSN | H0126220000 | Indirect Cross Interchange | 1 |
| CASE IH | 537188R1 | Indirect Cross Interchange | 1 |
| NSK-RHP | 21212 | Indirect Cross Interchange | 1 |
| NSN | 706841 | Indirect Cross Interchange | 1 |