| 型号 | 主要尺寸(mm) | |||
| d | D | 2B | rs min | |
| 7909CDB | 45 | 68 | 24 | 0.6 | 7910CDB | 50 | 72 | 24 | 0.6 |
| 7911CDB | 55 | 80 | 26 | 1 | 7912CDB | 60 | 85 | 26 | 1 |
| 7913CDB | 65 | 90 | 26 | 1 | 7914CDB | 70 | 100 | 32 | 1 |
| 7915CDB | 75 | 105 | 32 | 1 | 7916CDB | 80 | 110 | 32 | 1 |
| 7917CDB | 85 | 120 | 36 | 1.1 | 7918CDB | 90 | 125 | 36 | 1.1 |
| 7919CDB | 95 | 130 | 36 | 1.1 | 7920CDB | 100 | 140 | 40 | 1.1 |
