Sprockets

Sprockets are toothed wheels whose shaped teeth engage roller-chain rollers to drive or follow a shaft. Tooth count determines speed ratio, while pitch, tooth profile, hub, bore and material must match the chain and transmitted load for smooth engagement and controlled wear.

Key facts

Family: Power Transmission
Common types: Plate sprocket, Single-hub sprocket, Double-hub sprocket, Bush-mounted sprocket, Hardened-tooth sprocket, Multi-strand sprocket
Materials: Medium-carbon steel, Case-hardening steel, Grey cast iron, Stainless steel
Used in: Chain conveyors, Packaging drives, Bucket elevators, Mining equipment, Agricultural machines

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Types

Plate sprocket
Single-hub sprocket
Double-hub sprocket
Bush-mounted sprocket
Hardened-tooth sprocket
Multi-strand sprocket

Materials

Applications

Chain conveyors
Packaging drives
Bucket elevators
Mining equipment
Agricultural machines

What to send for a quote

chain pitch and standard
tooth count
hub form
bore and keyway
tooth treatment

Questions about sprockets

What should I send to identify sprockets?

Send chain pitch and standard, tooth count, hub form, bore and keyway, tooth treatment. Count all teeth and measure chain pitch, then provide hub projection and keyway details from both faces. A clear photograph, drawing or readable reference can resolve details that dimensions alone do not show.

How should I select sprockets?

Match chain size, strand count, tooth count, bore, hub and tooth hardness to load, speed, starts and environment. Confirm the mating parts and operating environment before ordering, since an apparently similar size can use a different profile, material or internal arrangement.

Last updated: 2026-10-08