| d - Cone Bore | 33.34 | mm |
| B - Cone Width | 25.36 | mm |
| Series | 2,500 | ||
| Design Units | Imperial | ||
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) | 146,000 | N |
| Cone Part Number | 2,581 | ||
| Cage Type | Stamped Steel | ||
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions) | 37,800 | N |
| Manufacturer | Part Number |
|---|---|
| Federal-Mogul | 2581 |
| SKF | BR2581 |
| NTN | 4T2581 |
| International Harvester | 50212V |
