Gear accuracy: JIS B 1702-1 (ISO) Grade 7 Number of teeth: 14 Shape: B1 Standard circle diameter (mm): φ35 Tooth width (mm): 25 Hole diameter (mm): 10 Module: 2.5 Tip circle diameter: φ40 Total length (mm): 45 集线器外径(mm):φ28 尖端圆直径(mm):φ40 集线器长度(mm):20