Patent ID: 7517156

Claim:
A cradle bearing comprising: a circular arcuate outer race; a plurality of rollers arranged along the inner circumferential surface of said outer race; and a retainer having pockets for housing said plurality of rollers, wherein said outer race has an engagement member projecting from its end in the circumferential direction toward the inner side in the diameter direction, and said engagement member and the end face of said retainer in the circumferential direction are in face-to-face contact with each other, and further wherein the engagement member of the outer race has a flat inner surface, the flat inner surface of the engagement member and a track surface of the outer race being connected through a curved surface positioned therebetween, and an end portion of the retainer in the circumferential direction has a flat end face to be in contact with the flat inner surface of the engagement member, and a chamfered part to be in face-to-face contact with the curved surface of the outer race, an inner end and an outer end in the diameter direction of the chamfered part of the retainer are made in contact with the flat inner surface and the track surface of the outer race, respectively apart from the curved surface of the outer race.