Chain Sprocket Size 40 With 27 Teeth And Three Quarters Finished Bore With Keyway And Two Set Screws Model 40BS27 Durable Steel Drive Sprocket For Reliable Power Transmission Compatible With Most 40 Chain And Heavy Duty Applications For Long Lasting

27-Tooth #40 Sprocket with 3/4 Bore, Ready to Install
✔️ 3/4 bore, #40 chain, 27 teeth, single unit, keyway 3/16x3/32

Designed as a standard replacement sprocket for #40 roller chain systems, this single-unit sprocket delivers reliable power transmission in conveyors, industrial machinery, and agricultural equipment, and it includes a precision keyway and two set screws for secure mounting.

✅ Bore: 3/4 in (19.05 mm) finished bore with keyway
✅ Teeth: 27 teeth
✅ Chain size: #40 roller chain
✅ Keyway: 3/16 x 3/32 in (4.76 x 2.38 mm)
✅ Mounting: Includes 2 set screws

💡 What is a chain sprocket used for in power transmission systems? This handy guide explains its role and basic specs. - In power transmission, it transfers torque between shafts via a chain - Common in conveyors and agricultural equipment - The bore, tooth count, and mounting details help ensure reliable operation