Patent ID: 8690446

Claim:
A bearing comprising: an outer ring having at least one first raceway defined by a radially inward facing surface of the outer ring; an inner ring concentric with the outer ring and having at least one second raceway defined by a radially outward facing surface of the inner ring; a plurality of rolling elements disposed between the outer and inner rings and rollingly engaging the first and second raceways; a first radial gap defined in the outer ring having an outer ring gap width defined by a first edge and a second edge, the outer ring gap width being thermally expandable and contractible; a second radial gap defined in the inner ring having an inner ring gap width defined by a third edge and a fourth edge the inner ring gap width being thermally expandable and contractible; a first race relief extending circumferentially a first distance from the first edge and radially outwardly from the radially inward facing surface of the outer ring, the first race relief having a first race relief cicumferential length greater than the outer ring gap circumferential length; a second race relief extending circumferentially a second distance from the second edge and radially outwardly from the radially inward facing surface of the outer ring, the second race relief having a second race relief circumferential length greater than the outer ring gap circumferential length; a third race relief extending circumferentially a third distance from the third edge and radially inwardly from the radially outward facing surface of the inner ring, the third race relief having a third race relief circumferential length greater than the inner ring gap circumferential length; and a fourth race relief extending circumferentially a fourth distance from the fourth edge and radially inwardly from the radially outward facing surface of the inner ring, the fourth race relief having a fourth race relief circumferential length greater than the inner ring gap circumferential length; wherein the first and second race reliefs define a first radius of curvature, and the third and fourth race reliefs define a second radius of curvature.