Back to results
US 12,736,086 B2Granted
Roller bearing
AssigneeNsk Ltd.
InventorsShunichi Uematsu, Sadayuki Tanaka, Naoki Maekawa, Masateru Kondo
Life of this patent
Estimating the term…
Abstract
A flange integrated with an inner ring is formed at one end of the inner ring in an axial direction, and a flange member separate from the inner ring is fastened to a fastening member extending in the axial direction at the other end of the inner ring in the axial direction, and the flange member includes a base abutting against the inner ring in the axial direction and on which a head of the fastening member is seated, and a caulking portion pressing the head of the fastening member from the other end side in the axial direction.
Claims4
A roller bearing, comprising:
- an inner ring including an outer peripheral surface having an inner ring raceway surface;
- an outer ring including an inner peripheral surface having an outer ring raceway surface;
- and
- a plurality of rollers disposed such that the rollers are capable of rolling between the inner ring raceway surface and the outer ring raceway surface, wherein:
- a flange integrated with the inner ring is formed at one end side of the inner ring in an axial direction;
- a flange member separate from the inner ring is fastened by a fastening member extending in the axial direction at an other end side of the inner ring in the axial direction;
- and
- the flange member includes:
- a base abutting against the inner ring in the axial direction and on which a head of the fastening member is seated;
- a caulking portion extending from a radially inner side portion to a radially outer side portion and pressing the head of the fastening member from the other end side in the axial direction;
- and
- a through groove formed in a portion of the base that faces a tip of the caulking portion in the radial direction, and penetrating the base in the radial direction.
9 more elements
Dependencies are inferred from the claim text.