Abstract: The disclosure concerns a double-row, radially self-aligning, roller bearing. The bearing has an outer race ring and an inner race ring. Two annular arrays of rollers are carried in respective cages located at the two axial sides of the bearing. Each cage defines a respective pocket for each roller of the roller bearing. The circumferential side walls of a pocket are generally profiled to the sides of the respective roller. The cages are also defined by an axially inward and axially outward ring which joins the pocket walls. The diameters and placements of the rings of the cages are selected so that in an axial projection of the rings, one upon the other, the rings do not intersect. The axially more inward ring has an inner diameter that is not less than the outer diameter of the axially more outward cage ring, and the bearing rollers are inclined appropriately. The cages are comprised of elastic, flexible, plastic material enabling the cages thus shaped still to be installed in the race rings.

Abstract: A journal bearing for a pump shaft comprises a sleeve whose inner peripheral surface forms two grooved tracks for respective sets of bearing balls adjacent one end thereof and forms a retaining groove near the other end. The two sets of bearing balls, held in respective cages, are also received in a pair of closely spaced peripheral grooves of the shaft confronting the tracks of the sleeve, thereby preventing relative axial shifting of the sleeve and the shaft. A set of bearing rollers are inserted between smooth surface portions of the shaft and the sleeve near the opposite end of the latter and are lodged in pockets of an annular cage having a peripheral rib snap-fitted into the retaining groove.