Roller Chain Sprocket With Hardened Teeth, Reboreable Type B Hub, Double Strand For 80 Chain, 1 Inch Pitch, 21 Teeth, 1 Inch Bore, 7.235 Inch Outer Diameter, 5 Inch Hub Diameter, 1.71 Inch Width Built Tough

Double-Strand 1in Pitch Roller Sprocket with Hardened Teeth
✔️ 80-2 chain compatible, 1in pitch, 21 teeth, 1in bore

This heavy-duty roller chain sprocket is designed for 80-2 chain drive systems, using a reboreable Type B hub for flexible shaft mounting. This listing is for 1 piece, featuring hardened teeth for durability in demanding drives. Outer diameter 7.235 in, bore 1 in, hub diameter 5 in, width 1.71 in, optimized for secure power transfer in conveyors and industrial machinery.

✅ For use with 80-2 chain, 1in pitch, driver or driven sprocket applications
✅ Double type B sprocket for two-chain setups with stable shaft attachment
✅ Shaft diameter options range from 1 to 1-1/2 inches
✅ 21 teeth, outer diameter 7.235 in, hub diameter 5 in, width 1.71 in
✅ High carbon steel construction for durability in heavy-duty service

💡 What is a roller chain sprocket used for?

A handy overview: Sprockets engage with a chain to transfer rotary motion between drive and driven shafts, keeping timing and alignment in conveyors, machinery, and power transmission setups.

• Transfers rotational power smoothly in chain-drive systems
• Maintains chain pitch and alignment for reliable operation
• Hardened teeth extend wear life in demanding environments
• Reboreable hub design adds adaptability for various shafts