Gear accuracy: grinding finish on the tooth surface JIS B 1704 Class 1 High-frequency hardening of teeth Pressure angle: 20° Twist angle 35° Backlash amount of 30μ or less can be set Module: 2.5 Number of teeth: 45 Basic circle diameter (mm): φ112.5 孔直径(mm):φ15 装配距离(mm):50 总长度(mm):38.16 牙齿宽度(mm):20 尖端圆形直径(mm):φ112.2 φ112.2 hub immetimetimetimemetr(mm):mmmetr(mm mm):m> m> m> m> m> m>镜子: 22 孔长度(mm):35 尖端角度:1:3 牙齿尖端:72°43'