Gear accuracy: JIS B 1702-1 Equivalent to N8 grade Tooth profile: Ordinary teeth Pressure angle: 20° Material: S45C Heat treatment: None Tooth surface hardness: (194HB or less) Surface treatment: Black dye (The fastening parts and additional working parts are not blackened. ) Number of teeth: 50 Shape: S1MA Standard circle diameter (mm): 125 Tooth width (m m): 25 Hole diameter (mm): 20 Module: 2.5 Tooth tip circle diameter: 130 Total length (mm): 51 Boss diameter (mm): 70 Boss length (mm): (left) 14 (right) 12 Tooth surface finish: Cutting Bolt size: M5 x 18 Number of bolts: 4灌木直径:46
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