Gear accuracy: JIS B 1702-1 (ISO) Grade 7 Number of teeth: 120 Shape: B1 Standard circle diameter (mm): φ96 Tooth width (mm): 8 Hole diameter (mm): 10 Module: 0.8 Tip circle diameter: φ97.6 Total length (mm):18 集线器外径(mm):φ70 尖端圆直径(mm):φ97.6 集线器长度(mm):10