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Patent Searching and Data


Title:
ROLLING BEARING
Document Type and Number:
WIPO Patent Application WO/2024/014090
Kind Code:
A1
Abstract:
A rolling bearing 10 includes a plurality of balls 13, an inner track 11, an outer track 12, and a holder 14 including first and second holder parts 16. The holder 14 is a combined holder in which the first and second holder parts 16 are joined radially inward from the centers of the balls 13, and includes a first through-hole 23 formed in a first recess 15a of the first holder part 16, and a second through-hole 23 formed in a second recess 15b of the second holder part 16. The first recess 15a and the second recess 15b are portions of a sphere surface that has a diameter DC greater than a diameter DB of the balls 13. The first recess 15a and the second recess 15b form a pocket 15 that accommodates the balls 13. A radial length X1 of a first connection surface 24a that connects the first recess 15a, that is radially outward from the first through-hole 23, and the first through-hole 23 is greater than a radial length Y2 of a second connection surface 24b that connects the second recess 15b, that is radially inward from the second through-hole 23, and the second through-hole 23.

Inventors:
HIRAOKA HIRONORI (JP)
YAMAMOTO YUYA (JP)
Application Number:
PCT/JP2023/016376
Publication Date:
January 18, 2024
Filing Date:
April 26, 2023
Export Citation:
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Assignee:
JTEKT CORP (JP)
International Classes:
F16C33/38; F16C19/06
Foreign References:
JP2017190797A2017-10-19
JP2021173310A2021-11-01
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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