Title:
ROLLING BEARING
Document Type and Number:
WIPO Patent Application WO/2024/014075
Kind Code:
A1
Abstract:
A rolling bearing 10 comprises: an inner ring 11; an outer ring 12; a plurality of rolling elements 13 disposed between the inner ring 11 and the outer ring 12; an annular body 17; a plurality of prongs 19 projecting from the annular body 17 toward a first side in an axial direction, the plurality of prongs 19 being spaced apart from each other in a circumferential direction of the annular body 17; and a cage 14 having a plurality of pockets 15, each disposed between the prongs 19 adjacent to each other in the circumferential direction, the plurality of pockets 15 retaining the plurality of rolling elements 13, respectively, in a rollable manner. The annular body 17 has: a through-hole 23 axially penetrating the bottom of each pocket 15; a first portion A1 located radially outward of the through-hole 23; a second portion A2 located radially inward of the through-hole 23; and a third portion A3 adjacent to the through-hole 23, the first portion A1, and the second portion A2 in the circumferential direction. Among cross-sections including a central axis P of the cage 14 and the through-hole 23, in a cross-section with the smallest cross-sectional area of the second portion A2, a cross-sectional area S11 of the first portion A1 is larger than a cross-sectional area S21 of the second portion A2.
Inventors:
MATSUSHITA KENJIRO (JP)
YAMAMOTO YUYA (JP)
YAMAMOTO YUYA (JP)
Application Number:
PCT/JP2023/014661
Publication Date:
January 18, 2024
Filing Date:
April 11, 2023
Export Citation:
Assignee:
JTEKT CORP (JP)
International Classes:
F16C33/38; F16C19/04
Foreign References:
| US20130051717A1 | 2013-02-28 | |||
| JP2017057876A | 2017-03-23 | |||
| US3743369A | 1973-07-03 | |||
| US11131344B1 | 2021-09-28 |
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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