| 型号 | 外形尺寸(mm) | |||
| d | D | B | rs min | |
| 7220BDT | 100 | 180 | 68 | 2.1 |
| 7220DT | 100 | 180 | 68 | 2.1 |
| 7221BDT | 105 | 190 | 72 | 2.1 |
| 7221DT | 105 | 190 | 72 | 2.1 |
| 7222BDT | 110 | 200 | 76 | 2.1 |
| 7222DT | 110 | 200 | 76 | 2.1 |
| 7224BDT | 120 | 215 | 80 | 2.1 |
| 7224DT | 120 | 215 | 80 | 2.1 |
| 7226BDT | 130 | 230 | 80 | 3 |
| 7226DT | 130 | 230 | 80 | 3 |
| 7228BDT | 140 | 250 | 84 | 3 |
| 7228DT | 140 | 250 | 84 | 3 |
| 7230BDT | 150 | 270 | 90 | 3 |
| 7230DT | 150 | 270 | 90 | 3 |
| 7232BDT | 160 | 290 | 96 | 3 |
| 7232DT | 160 | 290 | 96 | 3 |
| 7234BDT | 170 | 310 | 104 | 4 |
| 7234DT | 170 | 310 | 104 | 4 |
| 7236BDT | 180 | 320 | 104 | 4 |
| 7236DT | 180 | 320 | 104 | 4 |
| 7238BDT | 190 | 340 | 110 | 4 |
| 7238DT | 190 | 340 | 110 | 4 |
| 7240BDT | 200 | 360 | 116 | 4 |
| 7240DT | 200 | 360 | 116 | 4 |