D 外徑 mm | B 厚度 mm | d 內徑 mm | Z 齒數 | ||||
160 | 3.5 | 25.4 | 30 | 34 | 40 | 48 | |
200 | 3.5 | 25.4 | 30 | 36 | 48 | 60 | |
250 | 3.8 | 25.4 | 30 | 40 | 60 | 68 | |
275 | 3.8 | 25.4 | 30 | 48 | 70 | 80 | |
300 | 4.0 | 25.4 | 30 | 52 | 70 | 80 | 96 |
350 | 4.2 | 25.4 | 30 | 60 | 72 | 84 | 96 |
370 | 4.4 | 25.4 | 30 | 60 | 72 | 84 | 96 |
400 | 4.4 | 25.4 | 30 | 68 | 90 | 100 | 110 |
450 | 5.0 | 25.4 | 30 | 72 | 84 | 100 | 120 |
500 | 5.0 | 25.4 | 30 | 80 | 100 | 110 | 120 |