Gear accuracy: equivalent to JIS B 1702-1 N7 class Tooth profile: Ordinate teeth Pressure angle: 20° Heat treatment: Induction hardening on the tooth surface Gear hardness: 50-60HRC Surface treatment: Black dye other than the tooth portion (fastening parts and additional parts are not blackened) Number of teeth: 30 Shape: S5E Standard circle diameter (mm): 180 Tooth width (mm): 60 Hole diameter (mm): 45 Module: 6 Tooth tip circle diameter: 192 Total length (mm): 80 Tooth surface finish: Grinding Hole diameter tolerance: Tolerance for the target shaft diameter is H7(G6,H6)
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