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序号serial number |
外径(D) Diameter |
齿宽(B) Width |
厚度(b) Thick |
内径(d) Hole |
齿数(Z) Teeth |
255 |
180 |
3.2 |
2.2 |
65 |
48 |
256 |
180 |
3.2 |
2.2 |
65 |
48 |
257 |
254 |
4.0 |
3.0 |
50 |
80 |
258 |
254 |
4.0 |
3.0 |
50 |
80 |