KHK Worm Wheel BG4-20R2 BG4-20R2 1 piece

Catalog number: BG4-20R2 Features: * Worm wheel made of phosphorus bronze with excellent wear resistance. * Compatible with CG wheels, allowing for increased strength. Applications: * Power transmission gears. Specifications: ● Module: 4 ● Number of teeth: 20 ● Hole diameter (mm): φ20 ● Tooth shape: Straight teeth ● Shape: H1 ● Reference circle diameter (mm): φ80.67 ● Reduction ratio: 10 ● Tooth width (mm): 35 ● Number of threads: 2 ● Tooth tip circle diameter (mm): φ90 ● Total length (mm): 52 ● Boss diameter (mm): φ60 ● Assembly distance (mm): 71 ● Boss length (mm): 17 ● Total length: 52 ● Boss diameter: 60 ● Tooth tip circle diameter: 90 ● Reference circle diameter: 80.67 ● Tooth width: 35 ● Boss length (right): 17 ● Twist direction: R ● Gear precision: KHKW002: Class 4 ● Pressure angle: 20° ● Heat treatment: None ● Surface treatment: None ● Tooth surface finish: None ● Tooth cutting reference surface: Hole (H7) ● Additional processing possible: Yes Material/Finish: ● CAC502 Note: This is a single item, not a set.