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Spherical roller bearings are in the two groove of the inner ring and outer ring raceways between spherical bearing assembly, a drum shaped roller.

Spherical roller bearings with two rows of rollers, mainly bear radial load, but also can withstand axial load in either direction. High radial load capacity, especially suitable for heavy loads or vibration, but unable to bear pure axial load. This kind of bearing outer ring raceway is spherical shape, so its self-aligning performance is good, can compensate concentricity error.

Spherical roller bearings with two rows of symmetrical spherical roller, the outer ring has a common spherical raceway, inner ring with two raceways inclined at an angle with the bearing axis, with good aligning performance, when the axial force bending or installation of the bearing can be normally used are not concentric, adjustable mind with the bearing dimensions vary, what is usually allowed aligning angle of 1~2.5 degrees, the bearing load capacity is greater, the axial load can bear radial load bearing can bear bidirectional, with good impact resistance, generally spherical roller bearing allows work low speed.