Patent ID: 6149312
Filing Date: 2000-11-21
Classification: F16C

Abstract:
A roller bearing comprising an inner ring and an outer ring arranged concentrically with one another with a space being provided between the inner and outer rings, a series of roller elements arranged in the space between said inner and outer rings, said roller elements possessing protruding annular flanges that extend along an entire circumferential extent of the roller elements, said rollers being in contact with raceways provided in said inner and outer rings, said raceways being provided with parallel grooves each arranged in a plane of rotation of said inner and outer rings, each groove extending along an entirety of a surface of the inner and outer rings and in mutual correspondence to said inner and outer rings for mating interaction with the protruding flanges of said roller elements, and wherein a different distance is provided between two arbitrary, adjacently arranged grooves of said inner and outer rings, and between two adjacently arranged corresponding protruding flanges of said roller elements to cause an internal preload in said bearing.