Gear accuracy: JIS B 1704:1978 Equivalent to Grade 4 Heat treatment: Induction hardening on the tooth surface Tooth surface hardness: 50-60HRC Surface treatment: Black dye (no additional part black dye) Module: 4 Number of teeth: 30 Standard circle diameter (mm): 120 Hole diameter (mm): 50 装配距离(mm):95 总长度(mm):54.28 牙齿宽度(mm):25 形状:B3K <扭曲角度:35° 牙齿尖端圆形直径(mm):124.71 牙齿表面表面表面:切割 额外的可工作性:部分不可用 孔直径耐受性:H7 tap:m10 钥匙凹槽:14 x 3.8