Title:
ROLLER BEARING
Document Type and Number:
Japanese Patent JP2023159843
Kind Code:
A
Abstract:
To provide a roller bearing capable of preventing the falling of a fastening member which fastens a flange member to an inner ring.SOLUTION: To the other axial end of the inner ring, the brim member separate from the inner ring is fastened by a fastening member extending in the axial direction. The fastening member has a head part, and a shaft part extending from the head part to one axial end, and the brim member has a base part abutting on the inner ring in the axial direction. In the base part, a plurality of recesses extending from the inner peripheral face of the base part to the radial outside are formed at peripheral spaces. The outer peripheral face of each recess includes a first protruded portion arranged on one axial end side and protruded to the radial inside, a groove portion arranged on the other axial end side of the first protruded portion and recessed to the radial outside, and a second protruded portion arranged on the other axial end side of the groove portion and protruded to the radial inside. On the first protruded portion, a shaft part of the fastening member is arranged, and in the groove portion, the head part of the fastening member is arranged. The radial inside end of the second protruded portion is located on the radial inside further than the radial outside end of the head part of the fastening member.SELECTED DRAWING: Figure 2
Inventors:
UEMATSU SHUNICHI
Application Number:
JP2022138212A
Publication Date:
November 01, 2023
Filing Date:
August 31, 2022
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C19/36; F16C33/60
Attorney, Agent or Firm:
Patent Attorney Corporation Eiko Office