序号serial number |
外径(D) Diameter |
齿宽(B) Width |
厚度(b) Thick |
内径(d) Hole |
齿数(Z) Teeth |
237 |
250 |
3.5 |
2.5 |
25.4 |
40 |
238 |
305 |
4.0 |
3.0 |
25.4 |
48 |
239 |
305 |
4.0 |
3.0 |
50.8 |
60 |
240 |
350 |
5.0 |
4.0 |
50.8 |
70 |
241 |
400 |
5.0 |
4.0 |
50.8 |
70 |
242 |
450 |
5.0 |
4.0 |
50.8 |
70 |
243 |
450 |
5.0 |
4.0 |
50.8 |
80 |