| d - Bore | 20 | mm | |
| B - Cone Width | 15 | mm | |
| T - Bearing Width | 16.25 | mm |
| D - Cup Outer Diameter | 52 | mm | |
| C - Cup Width | 13 | mm |
| Series | 30,304 | ||
| Cup Part Number | Y30304 | ||
| Bearing Weight | 0.20 | Kg | |
| Full Timken Part Number | 30,304 |
| Cone Part Number | X30304 | ||
| Design Unit | Metric | ||
| Cage Material | Stamped Steel |
