Self-aligning combined bearing

The utility model discloses a self-aligning combination bearing which comprises a seat ring, a retainer and shaft washers which are sequentially arranged from bottom to top, a plurality of tapered rollers which are uniformly arranged in the circumferential direction are embedded on the retainer, the shaft washers comprise an upper shaft washer and a lower shaft washer, the upper shaft washer is sleeved in the lower shaft washer and is in clearance fit with the lower shaft washer, and the lower shaft washer is in clearance fit with the retainer. The wall face, matched with the lower shaft ring, of the upper shaft ring is a spherical face, and the tapered rollers are in rolling contact with the upper end of the seat ring and the lower end of the lower shaft ring respectively. The self-aligning bearing is reasonable in structure, has a self-aligning function, and is favorable for prolonging the service life of the bearing and enabling the bearing to operate more stably. 本实用新型公开了一种自调心组合轴承，包括自下而上依次设置的座圈、保持架和轴圈，所述保