1. Components - Spare Parts
  2. Landing and Braking
  3. Ball bearing bearing
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Angular-contact bearing
ball bearingradialaxial

angular-contact bearing
angular-contact bearing
angular-contact bearing
angular-contact bearing
angular-contact bearing
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Rolling element
ball bearing
radial, axial, angular-contact, four-point contact, single-row, double-row
Other characteristics
high-speed, combined
for airliners


Designed for high accuracy and excellent high-speed performance. Angular contact ball bearings are designed to carry combined loads: both axial and radial. Angular contact bearings are designed such that a contact angle between the races and the balls is formed when the bearing is in use. The major design characteristic of this type of bearing is that one, or both of the ring races have one shoulder relieved, or higher than the other. In order for these bearings to function properly, they must be assembled with a thrust load. This loading (or preload) creates a line of contact (or contact angle) between the inner race, the ball and the outer race. The preload can be built into the bearing or created when the bearing is inserted into an assembly. The contact angle varies from 15° to 40° and is measured relative to a line running perpendicular to the bearing axis. Angular contact bearings are unidirectional thrust bearings that can withstand heavy thrust loads and moderate radial loads. Important dimensions to consider when searching for angular contact bearings include design units bore, outside diameters, and outer ring width. Design units can be in either inches or metric units. Some manufacturers may specify parts in both. The bearing industry uses a standard number system for bearings with metric diameter bores. For bore sizes 04 and up multiply by 5 to obtain the bore in millimeters. Important operating specifications to consider when searching for angular contact bearings include rated speed, static radial load, and dynamic radial load. The rated speed of a bearing running with grease lubrication is lower than that of a bearing with oil lubrication.


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.