Bearings • Spherical Bearings
Spherical bearings are self-aligning bearings designed to manage high radial loads when misalignment, poor lubrication, contamination, extreme speeds or critical application stresses are present. The bearings are able to handle high loads because they utilize two rows of rollers that are thicker in the middle and thinner at the ends. The bearings also have higher friction than a comparable ball bearing, as different parts of the spherical rollers run at different speeds. Spherical roller bearings can feature brass cage or steel cage, and can be window type or finger type. Some can also handle axial loads.
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In addition to ball and roller bearing products, SKF also produces spherical plain bearings and rod ends, with a choice of materials for plain and flanged bushings as well as thrust washers. SKF radial spherical plain bearings requiring maintenance have the sliding contact surface combination steel on steel. The sliding surfaces have high wear resistance. SKF maintenance-free spherical plain bearings are produced with three different sliding contact surface combinations; steel/sinter bronze, steel/PTFE fabric, and steel/PTFE composite. Stainless steel bearings are also available. SKF angular contact spherical plain bearings are produced with the sliding contact surface combination of steel/PTFE composite. The same holds true for SKF spherical plain thrust bearing types. Rod ends requiring maintenance and maintenance-free rod ends are also available. CAD drawings are offered. SKF is also a distributor of MRC bearings.