Angular contact ball bearing

Features of angular contact ball bearings

Single row angular contact ball bearings are suitable for supporting combined loads (radial force and axial force) in one direction. Compared to radial deep groove ball bearings, the rolling element raceways in the inner and outer ring are therefore offset at an angle to each other in the direction of the bearing axis. Due to the design, the force flow is transmitted along the contact angle from one raceway to the other. The nominal pressure angle is usually between 20 ° and 30 °.


In comparison to the single-row design, double-row angular contact ball bearings can absorb axial forces in both directions.

An angular contact ball bearings can be loaded axially higher than radial deep groove ball bearings.

The higher the angular contact ball bearing is loaded at increasing speeds, the more the service life decreases with simultaneously increasing friction and bearing operating temperature. About the values for the load capacity of the bearing, our service team will be happy to provide information.

For the minimum radial load of angular contact ball bearings, a ratio of Fr/Cr>0.01 is recommended for continuous operation. The values for the dynamic load rating Cr can be found in our product data sheets.


The dimensional and running tolerances of the angular contact ball bearings normally correspond to the tolerance class P0 according to DIN 620-2.

Bearing clearance

The angular contact ball bearings are designed in the standard with the bearing clearance class CN according to DIN 620-4.

Bore diameterC2CNC3C4
overtomin. [μm]max. [μm]min. [μm]max. [μm]min. [μm]max. [μm]min. [μm]max. [μm]


Angular contact ball bearings are usually designed with dust covers or RSR-Sealing discs designed. Depending on the installation space, Sealing systems are also possible.


An angular contact ball bearings can be equipped with Plastic or metal cages.


The angular contact ball bearings are made in your standard version from the material 1.3505 (100Cr6) and manufactured with a minimum hardness of 58 HRC. On request, corrosion protected versions are available.

angular contact ball bearing
load direction of angular contact ball bearings with two rows
load direction of single row angular contact ball bearings
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