Gear accuracy: JIS B 1702-1 Before N9 grade heat treatment Heat treatment: Induction hardening on the tooth surface Tooth surface hardness: 50-60HRC Surface treatment: Black dye (no additional processing or re-black dyeing after quenching) Module: 4 Number of teeth: 26 Standard circle diameter (mm): 147.08 牙齿宽度(mm):30 孔直径(mm):22 总长度(mm):50 扭曲方向:L 形状:S1K boss Diameter(MM)部分:直角 牙齿压角(°):20 扭曲角(°):45 孔直径耐受性:H7 钥匙凹槽:6 x 2.8 tap:m5 M5 牙齿轮廓:普通牙齿