Gear accuracy: JIS B 1702-1 (ISO) Grade 7 Number of teeth: 100 Shape: B1 Standard circle diameter (mm): φ200 Tooth width (mm): 20 Hole diameter (mm): 15 Module: 2 Tip circle diameter: φ204 Total length (mm): 40 集线器外径(mm):φ140 尖端圆直径(mm):φ204 集线器长度(mm):20