Axial Spherical Roller B. SKF 29422 E

The SKF 29422 E axial self-aligning roller bearing, with dimensions of 110 × 230 × 73 mm, can accommodate high axial loads and compensates for misalignment through angular movement.

The 29422 E axial self-aligning roller bearing is designed as a single-acting rolling bearing for severe operating conditions. The design features barrel-shaped rollers on a spherical raceway in the housing disc, enabling the bearing to automatically compensate for angular misalignment between the shaft and the housing. Manufactured from standard 100Cr6 rolling bearing steel and fitted with a sheet steel cage, the bearing operates within a temperature range of -30 to +200 degrees. The SKF Explorer version features an optimised internal geometry.

What loads can the 29422 E axial self-aligning roller bearing accommodate?

Design engineers and maintenance personnel primarily use this bearing type where heavy axial forces act in one direction whilst shaft deflection occurs simultaneously. Thanks to the sets of rollers arranged at an angle to the bearing axis, the bearing can handle moderate radial loads in addition to dominant axial forces. Typical applications include vertical shaft lines and heavy-duty industrial gearboxes, where shock loads and elastic deformations of the connecting structure require an angularly adjustable bearing arrangement.

What are the key considerations for the single-acting design and installation?

As this roller bearing operates as a single-direction bearing, it absorbs axial forces in one direction only. During design and installation, care must be taken to ensure the correct orientation of the shaft and housing rings. The components are not self-retaining, which facilitates the separate installation of the rings and the roller cage. As the bearing is manufactured to standard tolerances (P0/PN or ABEC 1), standardised fits on the shaft and housing are sufficient. During operation, the component requires a minimum axial load to prevent slippage of the rolling elements.