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Gear accuracy: JIS B 1702-1 Equivalent to N6 class Tooth profile: Ordinate teeth Pressure angle: 20° Heat treatment: Temperature/High-frequency hardening on the tooth surface Tooth surface hardness: 50-60HRC Surface treatment: Black dye other than grinding section (no black dyeing on additional parts) Number of teeth: 30 Standard circle直径(mm):127.32 孔直径(mm):φ70 总长度(mm):65 形状:S1K 尖端圆形圆形直径:1 38 boss长度(mm):25 boss Diameter(mm) M4 钥匙凹槽B2 X T2(mm):20 x 4.9 牙齿表面表面处理:磨牙 齿轮参考横截面:直角 扭曲角度:19°31'41” 扭曲角度方向:左扭转方向:左扭矩
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