| d - Cone Bore | 47.63 | mm |
| B - Cone Width | 30.30 | mm |
| Series | 3,700 | ||
| Design Units | Imperial | ||
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) | 213,000 | N |
| Cone Part Number | 3,778 | ||
| Cage Type | Stamped Steel | ||
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions) | 55,100 | N |
| Manufacturer | Part Number |
|---|---|
| EATON | 657447 |
| NTN | 4T-3778 (NTN) |
| White Motor | 1CD0314 |
| White Motor | 118D2 |
| Austin | 312510 |
| Chrysler | 302076 |
| RIV Officine di Villar Perosa | 083145 |
| SKF | 1113039 |
| FORD | 11690238 |
| Mack | 12QD1250 |
| GM | 131039 |
| White Motor | 35129C |
| EATON | 144601A |
| Chrysler | 570918 |
| Allis-Chalmers Company | 604395 |
| Mack | 62AX224 |
| Sealed Power | 641595 |
| FORD | 7EQ1201 |
| FWD | 84642 |
| Gerlinger | A504435 |
| Chicago Rawhide | BR3778 |
| SKF | BR3778 |
| Volvo | 181295 |
| Galion Iron Works | D73586 |
| Sealed Power | F3778 |
| John Deere | JD7247 |
| Allis-Chalmers Company | K1003 |
| FAG | K3778 |
| Wabco | R5369 |
| Wabco | R5713 |
| Gerlinger | T325 |
| International Harvester | U11310 |
| White Motor | 1BCD0314 |
| Rockwell Standards | 712729 |
| Fruehauf | 502281 |
| Mack | 149400 |
| Federal-Mogul | 3778 |
| SKF | 3778 |
| White Motor | 381236 |
| Fruehauf | 900756 |
| GM | 9412765 |
| GM | 9412767 |
| Wabco | R4369 |
| Mcquay Norris | BT3778 |
| Gerlinger | L4435 |
| Chrysler | Y3778 |
