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Gear accuracy: JIS B 1702-1 N8 grade equivalent 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: 55 Shape: S5M Standard circle diameter (mm): 165 Tooth width (mm): 30 Hole diameter (mm): 35 Module: 3 Tooth tip circle diameter: 171 Tooth surface finish: Cutting Bolt size: M5 x 18 Number of bolts: 4 Bush diameter: 61
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