KG [Sold out and discontinued] S45C spur gear S3S 20B-3012H Shape B1 Module 3 Number of teeth 20 Tooth width 30mm Hole diameter Φ12mm High-frequency hardening S3S 20B-3012H 1 piece

Catalog number: S3S 20B-3012H Features: ● Small precision gear. ● Spur gear that is easy to add additional processing. ● Part numbers ending in H indicate that the teeth have been induction hardened. Applications: ● Used for general industrial machinery, medical equipment, and food machinery. Specifications: ● Module: 3 ● Number of teeth: 20 ● Shape: B1 ● Reference circle diameter (mm): φ60 ● Tooth width (mm): 30 ● Hole diameter (mm): φ12 ● Tooth tip circle diameter: φ66 ● Overall length (mm): 50 ● Hub outer diameter (mm): φ52 ● Tooth tip circle diameter (mm): φ66 ● Hub length (mm): 20 ● Gear precision: JIS B 1702-1 (ISO) Grade 8 (Induction hardened teeth: Grade 9) ● Tooth shape: Straight teeth ● Pressure angle: 20° Material/Finish: ● Carbon steel for mechanical construction (S45C)