Patent ID: 6371656
Filing Date: 2002-04-16
Classification: F16C,Y10T

Abstract:
Rolling element bearing, comprising an inner ring (2), an outer ring (1) and a series of rolling elements (5), the rolling surface of which is in contact with a raceway (8, 9) of both rings, at least one of the surfaces (8-12) of the rings (1, 2) and the rolling elements (5) being provided with a topography comprising recesses (13) which are generally isolated from each other by lands (14) and which may contain a lubricant, said recesses (13) having a maximum diameter of 100 micrometer in a direction parallel to the surface (8-12) in question, characterized in that, the recesses (13) have a minimum diameter of 14 micrometer, and in that in a cross section, the average angle &agr; defined by the intersection of the wall of a recess (13) and the adjacent surface (8) is less than 5 degrees.