KHK Complete Spiral Miter MMSA4-20R MMSA4-20R 1 piece

Catalog number: MMSA4-20R Features: ● A finished product that can be used without additional processing. ● Excellent strength and wear resistance. Applications: ● Power transmission gears. Specifications: ●Module: 4 ●Number of teeth: 20 ●Pitch circle diameter (mm): 80 ●Assembly distance (mm): 65 ●Hole diameter (mm): 28 ●Total length (mm): 39.13 ●Tooth width (mm): 18 ●Shape: B4 ●Tooth tip circle diameter (mm): 84.99 ●Twist direction: R ●Boss diameter (mm): 55 ●Boss length (mm): 17 ●Hole length (mm): 35 ●Tooth ratio: 1 ●Key groove: 8 x 3.3 ●Threaded hole: M6 ●Gear precision: JIS B 1704: 1978: Class 4 ●Tooth surface hardness: 55-60 HRC ●Tooth shape: Gleason ●Surface treatment: None ●Pressure angle: 20° ●Tooth surface finish: Cutting ●Gear cutting reference surface: Hole (H7) ●Heat treatment: Full carburizing and hardening ●Can additional processing be done: No Material/Finish: ●SCM415 Note: ●This is sold individually and not as a set.