| d - Cone Bore | 41.28 | mm |
| B - Cone Width | 40.39 | mm |
| Cone Part Number | 4,388 | ||
| Cage Type | Stamped Steel | ||
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions) | 89,700 | N |
| Design Units | Imperial | ||
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) | 346,000 | N |
| Manufacturer | Part Number |
|---|---|
| NSK | 4388R |
| Chicago Rawhide | BR4388 |
| SKF | BR4388 |
| Federal-Mogul | 4388 |
| Sealed Power | F4388 |
| NTN | 4T-4388 (NTN) |
