Roller Chain Sprocket for Series 50 Chain, 0.625 In Pitch, 22-Tooth, Bored-To-Size Type B Hub, Single Strand, 0.75 In Bore, 4.722 In Outer Diameter, 3 In Hub Diameter, 0.343 In Width

Single Sprocket: Bored-to-Size Type B for Series 50 Chain
✔️ 22 teeth, 0.625 in pitch, bore 0.75 in, OD 4.722 in

A compact Type B bored-to-size sprocket that fits Series 50 chain by 5/8" pitch, designed to mount directly on a shaft with a keyway and two setscrews for a secure, axial alignment. Commonly used on conveyors, machinery drives, and automation equipment where precise chain engagement is crucial.

✅ Pitch: 0.625 in (5/8 in) for Series 50 chain
✅ Teeth: 22 teeth for proper engagement on a 4.722 in OD hub
✅ Bore: 0.75 in bore with bored-to-size hub extension
✅ Width: 0.343 in; Outer diameter: 4.722 in
✅ Material: High-carbon steel for strength and durability

💡 What is a bored-to-size chain sprocket used for in power transmission and shaft mounting?

In power transmission, it is used to mount directly on a shaft with a keyway and setscrews, providing a precise, secure fit for straight-line drives.

- Direct shaft mounting with full-depth keyway and two setscrews - Compatible with Series 50 chain (5/8 inch pitch) - Bore options from 5/8 inch to 1-15/16 inch for flexible shafting - High-carbon steel provides long-lasting strength under load