Needle Roller Bearings

Needle roller bearings are compact rolling bearings that use many long, small-diameter cylindrical rollers. Their low radial section provides useful load capacity where space is restricted, and variants can run on a hardened shaft directly or include machined inner and outer rings.

Key facts

Family: Bearings
Common types: Drawn cup open, Drawn cup closed, Machined ring, Needle cage assembly, Cam follower, Track roller
Materials: Bearing steel, Drawn carbon steel, Steel cage, Polyamide cage, Carbon steel stud
Used in: Transmissions, Universal joints, Hydraulic pumps, Power tools, Packaging linkages

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Types

Drawn cup open
Drawn cup closed
Machined ring
Needle cage assembly
Cam follower
Track roller

Materials

Applications

Transmissions
Universal joints
Hydraulic pumps
Power tools
Packaging linkages

What to send for a quote

shaft or bore diameter
outside diameter
width
inner ring need
closure or follower style

Questions about needle roller bearings

What should I send to identify needle roller bearings?

Send shaft or bore diameter, outside diameter, width, inner ring need, closure or follower style. For cam followers, include stud thread and outside profile; for drawn cups, state open or closed end. A clear photograph, drawing or readable reference can resolve details that dimensions alone do not show.

How should I select needle roller bearings?

Choose drawn, machined or follower construction from envelope, shaft hardness, load, alignment, sealing and lubrication. 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