规格和标准 |
Gear accuracy: JIS B 1702-1 Equivalent to N7 grade Tooth profile: Ordinate teeth Pressure angle: 20° Material: S45C Heat treatment: Induction hardening on the tooth surface Tooth surface hardness: 50-60HRC Surface treatment: Black dye (The fastening parts, teeth and additional working parts are not blackened. ) Number of teeth: 70 Shape: S1MA Standard circle diameter (mm): 140 Tooth Width (mm): 20 Hole diameter (mm): 30 Module: 2 Tooth tip circle diameter: 144 Total length (mm): 44.5 Boss diameter (mm): 70 Boss length (mm): (left) 8.5 (right) 16 Tooth surface finish: Grind Bolt size: M5 x 18 Number螺栓:10灌木直径:52
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