型号 | 质量 m ≈kg |
尺寸mm | ||
d | D | B | ||
20208M | 0.386 | 40 | 80 | 18 | 20308M | 0.671 | 40 | 90 | 23 |
20209MK | 0.433 | 45 | 85 | 19 | 20209M | 0.441 | 45 | 85 | 19 |
20309M | 0.914 | 45 | 100 | 25 | 20210MK | 0.489 | 50 | 90 | 20 |
20210M | 0.499 | 50 | 90 | 20 | 20310M | 1.17 | 50 | 110 | 27 |
20211MK | 0.642 | 55 | 100 | 21 | 20211M | 0.653 | 55 | 100 | 21 |
20311MK | 1.49 | 55 | 120 | 29 | 20311M | 1.53 | 55 | 120 | 29 |