齿轮精度:N8年级热处理前的JIS B 1702-1 牙齿概况:常规牙齿 压力角:20° 材料:S45C 热处理:牙齿表面上的诱导硬化 牙齿表面硬度:50-60hrc dye no process of progance of thgbr/re process Shape: S2K Standard circle diameter (mm): 216 Tooth width (m m): 40 Hole diameter (mm): 40 Module: 4 Tooth tip circle diameter: 224 Total length (mm): 56 Key groove b2 x t2 (mm): 12 x 3.3 Boss diameter (mm): 100 boss长度(mm):16 孔直径耐受性:H7 牙齿表面饰面:切割 点击:M8