KHK Plastic Miter Gear PM4-20 PM4-20 1 piece

Catalog number: PM4-20 Features: *Lightweight product made of MC nylon. *Can be used without lubrication. Applications: *Power transmission gears. Specifications: ●Module: 4 ●Number of teeth: 20 ●Pitch circle diameter (mm): φ80 ●Assembly distance (mm): 75 ●Hole diameter (mm): φ20 ●Total length (mm): 50.78 ●Tooth width (mm): 20 ●Shape: B3 ●Tooth tip circle diameter (mm): φ85.66 ●Boss diameter (mm): φ64 ●Boss length (mm): 27 ●Hole length (mm): 45 ●Tooth ratio: 1 ●Gear precision: JIS B 1704: 1978: Class 4 ●Tooth surface hardness: (115-120HRR) ●Tooth form: Gleason ●Surface treatment: None ●Pressure angle: 20° ●Tooth surface finish: Cutting ●Gear cutting reference surface: Hole ●Material: MC901 ●Additional processing possible: Yes Material/Finish: ●MC901 Note: ●The material expands and contracts depending on the temperature and humidity, causing dimensions such as the hole diameter (H8 at the time of manufacture), tooth tip circle diameter, and backlash to change. ●Please be careful about safety when processing. ●This is sold as a single item, not as a set.