KG [Sold out and discontinued] S45C spur gear S2S 28B#2220 Shape B1 Module 2 Number of teeth 28 Tooth width 22mm Hole diameter Φ20mm S2S 28B#2220 1 pc

Catalog number: S2S 28B#2220 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: 28 ● Shape: B1 ● Reference circle diameter (mm): φ56 ● Tooth width (mm): 22 ● Hole diameter (mm): φ20 ● Tooth tip circle diameter: φ60 ● Total length (mm): 32 ● Key groove b2 × t2 (mm): 6 × 2.8 ● Hub outer diameter (mm): φ50 ● Tooth tip circle diameter (mm): φ60 ● Mounting screw M: M5 ● Mounting screw ls: 5 ● Hub length (mm): 10 ● Gear precision: JIS B 1702-1 (ISO) Grade 8 (High-quality hardened teeth: Grade 9) ● Tooth shape: Straight teeth ● Pressure angle: 20° Material/Finish: ● Carbon steel for mechanical construction (S45C) Set contents/Accessories: ● Key material ● Set screw