| D - Cup Outer Diameter | 72.63 | mm | |
| B - Cone Width | 30 | mm | |
| C1 - Cup Flange Width | 4.76 | mm | |
| d - Bore | 28.58 | mm |
| D1 - Flange Outer Diameter | 77.30 | mm | |
| C - Cup Width | 23.81 | mm | |
| T1 - Bearing Width to Flange | 11.11 | mm |
| Series | 3,100 | ||
| Cup Part Number | 3120-B | ||
| Bearing Weight | 0.50 | Kg |
| Cone Part Number | 3,198 | ||
| Design Unit | Inch | ||
| Cage Material | Stamped Steel |
