| 规格和标准 |
Gear accuracy: JIS B 1702-1 Before N8 grade heat treatment Tooth profile: regular teeth Pressure angle: 20° Material: S45C Heat treatment: Induction hardening on the tooth surface Tooth surface hardness: 50-60HRC Surface treatment: Black dye (no re-black dye after additional work, no re-black dye after quenching) Number of teeth: 29 Shape: S1K Standard circle diameter (mm): 72.5 Tooth width ( mm): 25 Hole diameter (mm): 16 Module: 2.5 Tooth tip circle diameter: 77.5 Total length (mm): 37 Key groove b2 x t2 (mm): 5 x 2.3 Boss diameter (mm): 62 Boss length (mm): 12 Hole直径耐受性:H7牙齿表面饰面:切割水龙头:M4
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