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 re-black dye after hardening) Module: 3 Number of teeth: 15 Standard circle diameter (mm): 63.64 Tooth width (mm):25 孔直径(mm):20 总长度(mm):43 扭曲方向:R形状:R形状:S1 BOSS直径(MM):50 BOSS长度(mm):18 Boss Tip(mm):18 Boss Tip圆形直径:69.64直径尺寸将由于硬化而变形。 (孔直径尺寸公差而不是H7等级) 牙齿剖面:常规牙齿