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Patent Searching and Data


Title:
ROLLING BEARING AND ROLLING BODY PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2024/048601
Kind Code:
A1
Abstract:
The present invention provides a rolling bearing and a rolling body production method that make it possible to improve separation life. Provided is a rolling bearing comprising an inner ring (2), an outer ring (3), and a rolling body (4), wherein: the rolling body (4) has an HRC hardness of not less than 61.1 and a residual austenite amount of not more than 31 vol%; and the ratio of the hardness of the rolling body (4) to the hardness of the inner ring (2) and the outer ring (3) is not less than 1.

Inventors:
TSUGUMI KYOKA (JP)
UCHIDA HIROYUKI (JP)
ZHANG MIAN (JP)
KOMATA HIROKI (JP)
MIYAMOTO YUUJI (JP)
HAMASAKI JUNICHI (JP)
HASHIMOTO SHO (JP)
Application Number:
PCT/JP2023/031296
Publication Date:
March 07, 2024
Filing Date:
August 29, 2023
Export Citation:
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Assignee:
NSK LTD (JP)
International Classes:
F16C33/32; C21D9/36; F16C19/22
Foreign References:
JPH049449A1992-01-14
JP2002155314A2002-05-31
JPH1161337A1999-03-05
Attorney, Agent or Firm:
TANAKA Hidetetsu et al. (JP)
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