Tapered Roller Bearings

Tapered roller bearings are separable rolling bearings with conical rollers and raceways converging towards a common point. They carry combined radial and one-direction axial loads, while opposed or paired arrangements locate a shaft in both directions and permit controlled setting during assembly.

Key facts

Family: Bearings
Common types: Single-row metric, Single-row inch, Matched pair, Double-row, Four-row
Materials: Case-hardened alloy steel, Bearing steel, Stamped steel cage, Machined steel cage
Used in: Vehicle hubs, Heavy axles, Construction gearboxes, Rolling mill necks, Railway journals

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Types

Single-row metric
Single-row inch
Matched pair
Double-row
Four-row

Materials

Applications

Vehicle hubs
Heavy axles
Construction gearboxes
Rolling mill necks
Railway journals

What to send for a quote

cone bore
cup outside diameter
assembled width
cone and cup references
single or paired need

Questions about tapered roller bearings

What should I send to identify tapered roller bearings?

Send cone bore, cup outside diameter, assembled width, cone and cup references, single or paired need. Quote both cone and cup references where separate numbers are used, and do not mix components from unverified sets. A clear photograph, drawing or readable reference can resolve details that dimensions alone do not show.

How should I select tapered roller bearings?

Choose series and arrangement from combined load direction, stiffness, setting method, fit, lubrication and shock duty. 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