| d - Cone Bore | 71.44 | mm |
| B - Cone Width | 41.28 | mm |
| Series | 635 | ||
| Design Units | Imperial | ||
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) | 481,000 | N |
| Cone Part Number | 644 | ||
| Cage Type | Stamped Steel | ||
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions) | 125,000 | N |
| Manufacturer | Part Number |
|---|---|
| SKF | BR644 |
| GM | 106340 |
| Clark Equipment | 658316 |
| White Motor | 96609F |
| FWD | 9ABT644 |
| GM | 145516 |
| EATON | 14222 |
| Euclid Trucks | 106340 |
| NTN | 4T-644 (NTN) |
| White Motor | 881606D2 |
| EATON | 32043 |
| John Deere | 39X21107A |
| Euclid Trucks | 40079 |
| GM | 40079 |
| Euclid Trucks | 145516 |
| Mack | 62AX353 |
| Federal-Mogul | 644 |
| NTN | 644 |
| International Harvester | 65067H |
| International Harvester | 74428R91 |
| GM | 7451644 |
| FWD | 84100 |
| FWD | 84380 |
| White Motor | 881606 |
| GM | 9412632 |
| GM | 9412634 |
| Euclid Trucks | 9412634 |
| FWD | 9A644 |
| FORD | B8QH4221A |
| Chicago Rawhide | BR644 |
| John Deere | JD9010 |
| FAG | K644 |
| Austin | 312263 |
| Kenworth | KW3075 |
| FORD | TUCG4221A |
| RIV Officine di Villar Perosa | 283468 |
| Sealed Power | F644 |
| Massey-Ferguson | 14314X |
| Case | XA95315 |
