| T1 - Bearing Width to Flange | 8.73 | mm | |
| C - Cup Width | 19.05 | mm | |
| D1 - Flange Outer Diameter | 86.92 | mm | |
| d - Bore | 44.45 | mm |
| C1 - Cup Flange Width | 3.97 | mm | |
| B - Cone Width | 25.40 | mm | |
| D - Cup Outer Diameter | 83.06 | mm |
| Design Unit | Inch | ||
| Series | 25,500 | ||
| Cage Material | Stamped Steel |
| Cup Part Number | 25521-B | ||
| Cone Part Number | 25,580 | ||
| Bearing Weight | 0.70 | Kg |
