Gear accuracy: JIS B 1702-1 Equivalent to N7 grade Tooth profile: Ordinate teeth Pressure angle: 20° Material: S45C Heat treatment: Induction hardening on the tooth surface Tooth surface hardness: 50-60HRC Surface treatment: Black dye (The fastening parts, teeth and additional working parts are not blackened. ) Number牙齿:44 形状:S1MA 标准圆直径(mm):110 牙齿宽度(mm):25孔直径(MM):40模块:40模块:2.5牙齿尖端圆形直径:115总长度:总长度(mm)螺栓:10灌木直径:67