Gear accuracy: JIS B 1702-1 N7 Grade Tooth surface hardness: 50 to 60HRC Tooth profile: Ordinate teeth Surface treatment: Black dye other than the teeth Pressure angle: 20° Tooth surface finish: Grind Tooth cutting reference surface: Hole (H7) Heat treatment: High-frequency hardening on the tooth surface Twist angle: Additional work: Possible Number of teeth: 30 Shape: S1 Standard circle diameter (mm): φ180 Tooth width (mm): 60 Hole diameter (mm): φ30 Module: 6 Total length (mm): 88 Boss diameter (mm): φ150 Tip circle直径(mm):φ192 boss长度(mm):28
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