Gear accuracy: KHK W 002: Grade 1 Tooth surface hardness Surface treatment: None Pressure angle: 17°30' Tooth surface finish: None Tooth cutting reference surface: Hole (H7) Heat treatment: None Additional workability: Possible Module: 4 Number of teeth: 50 Hole diameter (mm): φ20 Tooth profile: Ordinary teeth Shape: HB Tooth width (mm): 3 5 Number of ridges: 1 Total length (mm): 55 Boss diameter (mm): φ90 Boss length (mm): 20 Advance angle Tip circle diameter (φ): 212 Hole length: 212 牙齿宽度B(mm):35 标准直径D(mm):200 扭曲方向:r 蠕虫的扭曲方向和山脊数(mm):r 1
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