Bushes & Hubs

Bushes and hubs are mounting components that connect pulleys, sprockets, couplings or fabricated rotors to cylindrical shafts. Split tapered bushes clamp through mating conical hubs, while weld-on and bolt-on hubs add a standard mounting interface to machine components and drive fabrications.

Key facts

Family: Power Transmission
Common types: Split taper bush, Quick-detachable bush, Split straight bush, Weld-on hub, Bolt-on hub, Finished-bore hub
Materials: Grey cast iron, Ductile iron, Carbon steel, Stainless steel
Used in: Pulleys, Sprockets, Couplings, Industrial fans, Conveyors, Packaging machines

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Types

Split taper bush
Quick-detachable bush
Split straight bush
Weld-on hub
Bolt-on hub
Finished-bore hub

Materials

Applications

Pulleys
Sprockets
Couplings
Industrial fans
Conveyors
Packaging machines

What to send for a quote

bush or hub series
shaft bore
keyway standard
mating component
hub flange dimensions

Questions about bushes & hubs

What should I send to identify bushes & hubs?

Send bush or hub series, shaft bore, keyway standard, mating component, hub flange dimensions. Record the full bush size and bore separately, since the same outer bush series is supplied with several finished bores. A clear photograph, drawing or readable reference can resolve details that dimensions alone do not show.

How should I select bushes & hubs?

Coordinate taper series, bore, keyway, screw arrangement, hub material and mating component before machining or assembly. 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