| d - Bore | 17 | mm | |
| B - Cone Width | 12 | mm | |
| T - Bearing Width | 13.25 | mm |
| D - Cup Outer Diameter | 40 | mm | |
| C - Cup Width | 11 | mm |
| Series | 30,203 | ||
| Cup Part Number | Y30203 | ||
| Bearing Weight | 0.10 | Kg | |
| Full Timken Part Number | 30,203 |
| Cone Part Number | X30203 | ||
| Design Unit | Metric | ||
| Cage Material | Stamped Steel |
