Gear accuracy: JIS B 1702-1 N7 Equivalent to grade Tooth profile: Ordinate teeth Pressure angle: 20° Heat treatment: Induction hardening on the tooth surface Tooth surface hardness: 50-60HRC Surface treatment: Black dye other than the tooth and additional parts Module: CP10 Number of teeth: 40 Hole diameter (MM):25 形状:S1GH17 标准圆直径(mm):127。32 boss直径(mm):80 牙齿宽度(mm):30 总长度(mm):50 计数器深度:13 螺钉尺寸:M12 x 45(不包括装配螺钉)