| d - Bore | 45 | mm | |
| B - Cone Width | 25 | mm | |
| T - Bearing Width | 27.25 | mm |
| D - Cup Outer Diameter | 100 | mm | |
| C - Cup Width | 22 | mm |
| Series | 30309M | ||
| Cup Part Number | Y30309M | ||
| Bearing Weight | 1 | Kg | |
| Full Timken Part Number | 30,309 |
| Cone Part Number | X30309M | ||
| Design Unit | Metric | ||
| Cage Material | Stamped Steel |