50 Chain Sprocket With 21 Teeth, One And A Quarter Inch Finished Bore, Precision Keyway, And Dual Set Screws For Secure Mounting, Smooth Power Transmission, Easy Replacement In Industrial Machinery And Equipment

21-Tooth #50 chain sprocket with 1-1/4 bore in BS form
✔️ 1x sprocket, 21T, 1-1/4 in bore, BS, keyway, 2 set screws

This #50 chain sprocket, 21 teeth, 1-1/4 finished bore, comes with a precision keyway and two set screws for secure mounting. Pack size: 1 piece. It's built for dependable power transmission in conveyors, industrial machinery, agricultural equipment, and general drive systems.

✅ Chain size: #50 roller chain
✅ Teeth: 21
✅ Bore: 1-1/4 in finished bore with keyway 1/4 x 1/8
✅ Mounting: Includes 2 set screws
✅ Bore style: BS

💡 What is a chain sprocket with a finished bore used for in conveyor and drive systems? This handy guide explains the basics and helps you choose the right part.

- Transfers rotational motion from a drive shaft to a chain, maintaining alignment - Fits #50 roller chain with 1/4 x 1/8 inch keyway and 1-1/4 inch bore - Two set screws secure the sprocket to the shaft to prevent slip - Ideal replacement for worn sprockets in conveyors, farming equipment, and industrial machinery