Angular Contact Ball Bearings

Angular contact ball bearings are rolling bearings whose inner and outer raceways are offset axially to create an angled load path. They carry combined radial and one-direction axial loads, and matched arrangements can support thrust in both directions while controlling shaft location and rigidity.

Key facts

Family: Bearings
Common types: Single-row, Double-row, Four-point contact, Universally matchable, Back-to-back pair, Tandem set
Materials: Bearing steel, Case-hardened steel, Brass cage, Polyamide cage, Silicon nitride balls
Used in: Pump shafts, Machine spindles, Gear drives, Screw compressors, Turbines

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Types

Single-row
Double-row
Four-point contact
Universally matchable
Back-to-back pair
Tandem set

Materials

Applications

Pump shafts
Machine spindles
Gear drives
Screw compressors
Turbines

What to send for a quote

boundary dimensions
contact angle
pairing arrangement
preload or clearance
precision class

Questions about angular contact ball bearings

What should I send to identify angular contact ball bearings?

Send boundary dimensions, contact angle, pairing arrangement, preload or clearance, precision class. Keep matched bearings together and record orientation marks, suffixes and whether the set is back-to-back, face-to-face or tandem. A clear photograph, drawing or readable reference can resolve details that dimensions alone do not show.

How should I select angular contact ball bearings?

Choose contact angle, arrangement and preload from axial direction, combined load, speed, stiffness and thermal growth. 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