Single row angular contact ball bearings and four-point contact bearings are single row angular contact ball bearings with raceways designed to support axial loads in both directions. For a given axial load, they can support a limited radial load. The bearings can be dismantled, i.e. the outer ring with the ball and cage assembly can be mounted independently of the two halves of the inner ring.
How to select single row angular contact ball bearings?
In single row angular contact ball bearings, the inner and outer raceways are offset from each other in the direction of the bearing axis. This makes them suitable for supporting combined loads, i.e. they act simultaneously in the radial and axial directions. This type of bearing can support axial loads acting in one direction only, which is why a single-row bearing is entered against a second bearing. These bearings are separable and their rings have an upper and a lower shoulder. The lower shoulder allows a large number of balls to be incorporated into the bearing, giving it a relatively high load-carrying capacity.
How to choose double row angular contact ball bearings?
Double-row angular contact ball bearings have an optimized internal geometry that enables high radial and axial load carrying capacity and particularly quiet operation. In terms of design, they correspond to two angular contact ball bearings in an O arrangement, but require less axial installation space and can withstand radial and axial loads in both directions.
They allow rigid arrangements and are able to withstand tilting moments. These bearings are supplied with integral seals and are pre-greased, making them maintenance-free.
Angular contact ball bearings undergo special heat treatment and are heat stabilized up to a temperature of approximately 150° C.
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