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):28 总长度(mm):50 扭曲方向:r 形状:s1k boss Diameter(mm):100 牙齿压角(°):20 扭曲角(°):45 孔直径耐受性:H7 键槽:8 x 3.3 tap:m6 M6