| 型号 | 主要尺寸(mm) | ||||
| d | D | 2B | rs min | r1s min | |
| S7220BDT | 100 | 180 | 68 | 2.1 | 1.1 |
| S7220DT | 100 | 180 | 68 | 2.1 | 1.1 |
| S7221BDT | 105 | 190 | 72 | 2.1 | 1.1 |
| S7221DT | 105 | 190 | 72 | 2.1 | 1.1 |
| S7222BDT | 110 | 200 | 76 | 2.1 | 1.1 |
| S7222DT | 110 | 200 | 76 | 2.1 | 1.1 |
| S7224BDT | 120 | 215 | 80 | 2.1 | 1.1 |
| S7224DT | 120 | 215 | 80 | 2.1 | 1.1 |
| S7226BDT | 130 | 230 | 80 | 3 | 1.1 |
| S7226DT | 130 | 230 | 80 | 3 | 1.1 |
| S7228BDT | 140 | 250 | 84 | 3 | 1.1 |
| S7228DT | 140 | 250 | 84 | 3 | 1.1 |
| S7230BDT | 150 | 270 | 90 | 3 | 1.1 |
| S7230DT | 150 | 270 | 90 | 3 | 1.1 |
| S7232BDT | 160 | 290 | 96 | 3 | 1.1 |
| S7232DT | 160 | 290 | 96 | 3 | 1.1 |
| S7234BDT | 170 | 310 | 104 | 4 | 1.5 |
| S7234DT | 170 | 310 | 104 | 4 | 1.5 |
| S7236BDT | 180 | 320 | 104 | 4 | 1.5 |
| S7236DT | 180 | 320 | 104 | 4 | 1.5 |
| S7238BDT | 190 | 340 | 110 | 4 | 1.5 |
| S7238DT | 190 | 340 | 110 | 4 | 1.5 |
| S7240BDT | 200 | 360 | 116 | 4 | 1.5 |
| S7240DT | 200 | 360 | 116 | 4 | 1.5 |