40 Chain Sprocket With 27-Tooth One And One Quarter Inch Finished Bore Includes Precision Keyway And Dual Set Screws For Secure Mounting And Reliable Power Transmission Ready To Install

Single 27-tooth #40 chain sprocket with 1-1/4 bore and keyway
✔️ 27 teeth, 1-1/4 bore (31.75 mm) with keyway and two set screws

This sprocket is built for #40 roller chain and is ready to install on conveyors, industrial machinery, and agricultural equipment. It features a 1-1/4 finished bore with a 1/4 x 1/8 keyway and two set screws for secure mounting.

✅ Bore: 1-1/4 finished bore (31.75 mm) with 1/4 x 1/8 keyway
✅ Chain size: #40 roller chain
✅ Teeth: 27 teeth
✅ Bore style: BS
✅ Mounting: includes 2 set screws

💡 What is a chain sprocket used for in a power transmission system?

- A chain sprocket transfers torque from the chain to the driven shaft, driving conveyors, machinery, and manufacturing lines (27-tooth, 1-1/4 bore variant shown here helps ensure proper fit)
- Used in industrial conveyors, agricultural equipment, and manufacturing setups to maintain timing and speed
- The 1-1/4 bore with keyway and set screws gives secure mounting and torque transfer
- Matches #40 roller chain for reliable drive in many standard applications