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Title:
RACEWAY MEMBER, BEARING, AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/013157
Kind Code:
A1
Abstract:
Provided are: a raceway member that is used for a bearing that rotatably supports a rotary shaft rotating about the axial line thereof, and that is characterized by being provided with, on a raceway surface, a layer containing diamond-like carbon in which the proportion of diamond bonds is at least 70%; and a bearing that rotatably supports a rotary shaft rotating about the axial line, and that is characterized by being provided with a first raceway member having a first raceway formed coaxially with the axial line, a second raceway member having a second raceway formed coaxially with the axial line, and a plurality of rolling elements that are disposed between the first raceway and the second raceway, and that are capable of rolling along the first raceway and the second raceway, wherein a layer containing diamond-like carbon in which the proportion of diamond bonds is at least 70% is provided on the raceway surface of the first raceway and/or the second raceway.

Inventors:
FUJITA TAKASHI (JP)
NARUMIYA HIROKI (JP)
HIRAKAMI DAISUKE (JP)
Application Number:
JP2018/025855
Publication Date:
January 17, 2019
Filing Date:
July 09, 2018
Export Citation:
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Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
F16C33/64; C23C26/00; F16C19/06; F16C19/10; F16C19/16; F16C33/66
Foreign References:
JP2008191384A2008-08-21
JP2007100878A2007-04-19
JP2000205279A2000-07-25
JP2013231771A2013-11-14
JP2000512053A2000-09-12
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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