40 Chain Sprocket With 25 Teeth And One And One Eighth Inch Finished Bore Includes Keyway And Two Set Screws For Secure Mounting And Reliable Power Transmission In Industrial Machinery

25-Tooth #40 Chain Sprocket with 1-1/8 Finished Bore
✔️ Single sprocket for #40 chain, 25 teeth, 1-1/8 in bore

This #40 chain sprocket is a sturdy power-transmission gear designed to drive a chain in conveyors, agricultural equipment, and general machinery. It ships ready to install with a precision keyway and two set screws for secure mounting.

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✅ Bore: 1-1/8 in (28.6 mm) finished bore with precise keyway
✅ Chain size: #40 roller chain compatible
✅ Teeth: 25 teeth for steady torque transmission
✅ Keyway: 1/4 x 1/8 for secure mounting
✅ Mounting: Includes 2 set screws for fast, stable fit

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💡 What is a chain sprocket used for? This handy drive gear engages a chain to transfer rotational motion in power-transmission systems.
- Used in conveyors, farm equipment, and industrial drives
- Ensures precise timing with proper bore, keyway, and fasteners
- Helps maintain smooth torque transfer across the chain drive