KG [Sold out and discontinued] S45C spur gear S2S 72B#1220 Shape B3 Module 2 Number of teeth 72 Tooth width 12mm Hole diameter Φ20mm S2S 72B#1220 1 piece

Catalog number: S2S 72B#1220 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: 2 ●Number of teeth: 72 ●Shape: B3 ●Reference circle diameter (mm): φ144 ●Tooth width (mm): 12 ●Hole diameter (mm): φ20 ●Tooth tip circle diameter: φ148 ●Total length (mm): 22 ●Key groove b2 × t2 (mm): 6 × 2.8 ●Hub outer diameter (mm): φ50 ●Tooth tip circle diameter (mm): φ148 ●Mounting screw M: M5 ●Mounting screw ls: 5 ●Hub length (mm): 10 ●Gear precision: JIS B 1702-1 (ISO) Class 8 (high-frequency hardened teeth: Class 9) ●Tooth shape: Straight teeth ●Pressure angle: 20° Material/Finish: ●Carbon steel for mechanical construction (S45C) Set contents/Accessories: ●Key material ●Set screw