主要尺寸(mm) | 輪溝及止動圈尺寸(mm) | |||
d | D | B | r (最小) |
D1 (最大) |
20 | 42 | 16.00 | 0.60 | - | 20 | 47 | 20.60 | 1.00 | 44.60 |
20 | 52 | 22.20 | 1.10 | 49.73 | 25 | 47 | 16.00 | 1.00 | - |
25 | 52 | 20.60 | 1.00 | 49.73 | 25 | 62 | 25.40 | 1.10 | 59.61 |
30 | 55 | 19.00 | 1.00 | - | 30 | 62 | 23.80 | 1.00 | 59.61 |
30 | 72 | 30.20 | 1.10 | 68.81 | 35 | 62 | 20.00 | 1.00 | - |
35 | 72 | 27.00 | 1.10 | 68.81 | 35 | 80 | 34.90 | 1.50 | 76.81 |