DB型(DB Type)
| Type | Dimension(mm) | |||||||
| D | H | h | R | r | e | α(0) | β(0) | |
| DB1417 DB1418 DB1419 DB1621 DB1924 DB2230 |
14.0 14.0 14.0 16.0 19.0 22.0 |
17.0 18.0 19.0 21.0 24.0 30.0 |
12.0 12.0 12.0 14.0 15.0 17.0 |
3.0 3.0 3.0 3.0 3.5 3.5 |
2.5 2.5 2.5 2.5 3.0 3.0 |
1.5 1.5 1.5 2.0 2.0 2.0 |
90 80 75 70 70 60 |
3.0 4.0 4.0 4.5 4.5 5.0 |
