Abstract: A roller bearing assembly is disclosed which has a single-piece outer race ring having a central, circumferential depression and a pair of raceway surfaces on opposite sides thereof. An inner race ring, sized and shaped to fit within the outer race ring, comprises a pair of inner race members. Each of the inner race members has two ends and a raceway surface formed at least in part by a shoulder. The inner race members are positioned so as to abut each other at their respective abutting ends and are axially aligned such that the raceway surfaces of the inner race members are aligned with one of the raceway surfaces of the outer race ring to form two raceways. A substantially tubularly-shaped inner sleeve having two ends is disposed in the internal bore of the inner race ring for maintaining the axial alignment of the inner race members.

Abstract: A process for manufacturing an unground bearing suitable for high-speed applications comprises forming a subassembly including the inner race, ball and retainer; the subassembly being fabricated in a fixture which receives the balls from a standard ball feeding machine. The subassembly is, after completion, removed from the fixture and positioned in one of the halves of a split outer race, the other half of the split outer race is placed over the subassembly and an outer shell is thereafter crimped over the outer races to hold the bearing together.

Abstract: An unground ball bearing is manufactured by forming a straight-sided cup shaped outer race having an aperture in the base and a radially inwardly extending flange about the periphery of the cup rim. The outer and inner races are heat treated and subjected to a surface finishing step and the ball bearing is subsequently assembled by inserting the balls within the outer race and then snapping the inner race into position within the outer race by forcing it past the flange on the outer race.

Abstract: A process for manufacturing an unground bearing suitable for high-speed applications comprises forming a subassembly including the inner race, balls, and retainer; the subassembly being fabricated in a fixture which receives the balls from a standard ball feeding machine. The subassembly is, after completion, removed from the fixture and positioned in one of the halves of a split outer race, the other half of the split outer race is placed over the subassembly and an outer shell is thereafter crimped over the outer races to hold the bearing together.