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)
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:
Assignee:
NSK LTD (JP)
International Classes:
F16C33/32; C21D9/36; F16C19/22
Foreign References:
JPH049449A | 1992-01-14 | |||
JP2002155314A | 2002-05-31 | |||
JPH1161337A | 1999-03-05 |
Attorney, Agent or Firm:
TANAKA Hidetetsu et al. (JP)
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