Symmetrical spherical roller bearings are a kind of bearing with double raceways of the inner ring and spherical raceway of the outer ring. The barrel-shaped rollers are assembled between them.
Spherical roller bearing have double-row rollers, that mainly take the radial load, they also can take the axial load at the same time. This kind of bearing is especially well-suited for work in heavy load and shaking load conditions because of their radial load capacity. However, it does not handle axial loads well. The bearing has better symmetrical capacity and can compensate for the error of coaxiality of spherical raceways.
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