Patent ID: 8220423

Claim:
A roller bearing comprising: an outer ring formed by connecting a plurality of arc-shaped outer ring members in a circumferential direction, each outer ring having side edges spaced apart by a width of the outer ring member and opposing and circumferentially spaced apart free ends; and a plurality of rollers arranged along an inner diameter surface of said outer ring, wherein said outer ring member has engagement claws provided at one of the circumferentially spaced apart free ends of said outer ring member, the circumferentially spaced apart free end extending in a direction of a rotation axis of the roller bearing, the engagement claws bent radially toward an outer side of the outer ring member so as to engage with a housing, and a slope surface is provided at one or each circumferentially spaced apart free end on an inner diameter surface of said outer ring member, and a contour line of said slope surface is along a direction perpendicular to a revolution direction of said roller; each engagement claw skirting around an axial center serving as a track surface in the outer ring member and being arranged on a straight line parallel to the rotation axis of the roller bearing.