| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| SNR | 21320V | Direct Cross Interchange | 12 |
| SKF | 21320C | Direct Cross Interchange | 12 |
| SKF | 21320 | Direct Cross Interchange | 12 |
| RIV | BRS100 | Direct Cross Interchange | 12 |
| RIV | 21320 | Direct Cross Interchange | 12 |
| RHP | 21320 | Direct Cross Interchange | 12 |
| NTN | 21320 | Direct Cross Interchange | 12 |
| NACHI | 21320E | Direct Cross Interchange | 12 |
| KOYO | 21320 | Direct Cross Interchange | 12 |
| FAG | 21320 | Direct Cross Interchange | 12 |
| FEDERAL MOGUL | 55087 | Indirect Cross Interchange | 1 |
| PACCAR | 21320CHR | Indirect Cross Interchange | 1 |
| NATIONAL | 450867 | Indirect Cross Interchange | 1 |
| NAVISTAR | CR21320 | Indirect Cross Interchange | 1 |
| TIMKEN | 55087 | Indirect Cross Interchange | 1 |
| TIMKEN | 450867 | Indirect Cross Interchange | 1 |
| WESTON | 54X73X95R4 | Indirect Cross Interchange | 1 |
| WESTON | 54X73X8R4 | Indirect Cross Interchange | 1 |
| WESTON | 54X73X127R4 | Indirect Cross Interchange | 1 |
| WESTON | 54X73X1113R4 | Indirect Cross Interchange | 1 |
| VICTOR | 66727 | Indirect Cross Interchange | 1 |
| L&S Bearing | 7121320 | Indirect Cross Interchange | 1 |
| MACK | 21320 | Indirect Cross Interchange | 1 |
| MACK | 145821320 | Indirect Cross Interchange | 1 |
| FORD | 965821320 | Indirect Cross Interchange | 1 |
| FREIGHTLINER | CHR21320 | Indirect Cross Interchange | 1 |
| Precision Seals & Bearings | 54X73X8 | Indirect Cross Interchange | 1 |
| Precision Seals & Bearings | 450867 | Indirect Cross Interchange | 1 |
| DT Components | 54X73X8 | Indirect Cross Interchange | 1 |
| DT Components | 450867 | Indirect Cross Interchange | 1 |
| AutoZone | 450867 | Indirect Cross Interchange | 1 |
| STEFA | S1143 | Indirect Cross Interchange | 1 |
| TRANSCOM | 54X73X12SA | Indirect Cross Interchange | 1 |
| TRANSCOM | 54X73X11SA | Indirect Cross Interchange | 1 |
| PRECISION AUTOMOTIVE INDUSTRIES | 450867 | Indirect Cross Interchange | 1 |
| PARTS PLUS | P450867 | Indirect Cross Interchange | 1 |