| 型号 | 内径 | 外径 | 宽度 | |
|---|---|---|---|---|
| 开式 | 带防尘盖 | |||
| 681 | 1 | 3 | 1 | - |
| 681x | 1.5 | 4 | 1.2 | 2 |
| 6800 | 10 | 19 | 5 | 5 |
| 6801 | 12 | 21 | 5 | 5 |
| 6802 | 15 | 24 | 5 | 5 |
| 6803 | 17 | 26 | 5 | 5 |
| 682 | 2 | 5 | 1.5 | 2.3 |
| 682x | 2.5 | 6 | 1.8 | 2.6 |
| 6804 | 20 | 32 | 7 | 7 |
| 6805 | 25 | 37 | 7 | 7 |
| 683 | 3 | 7 | 2 | 3 |
| 6806 | 30 | 42 | 7 | 7 |
| 6807 | 35 | 47 | 7 | 7 |
| 684 | 4 | 9 | 2.5 | 4 |
| 6808 | 40 | 52 | 7 | 7 |
| 6809 | 45 | 58 | 7 | 7 |
| 685 | 5 | 11 | 3 | 5 |
| 6810 | 50 | 65 | 7 | 7 |
| 6811 | 55 | 72 | 9 | 9 |
| 686 | 6 | 13 | 3.5 | 5 |
| 6812 | 60 | 78 | 10 | 10 |
| 6813 | 65 | 85 | 10 | 10 |
| 687 | 7 | 14 | 3.5 | 5 |
| 6814 | 70 | 90 | 10 | 10 |
| 688 | 8 | 16 | 4 | 5 |
| 689 | 9 | 17 | 4 | 5 |