Title:
ROLLING BEARING FOR USE IN EXTREMELY LOW-TEMPERATURE ENVIRONMENT
Document Type and Number:
WIPO Patent Application WO/2016/140225
Kind Code:
A1
Abstract:
A rolling bearing (A) for use in an extremely low-temperature environment, wherein: a cage (4) for rotatably holding a rolling body (3) is provided between an inner race (1) and an outer race (2) which constitute part of the rolling bearing (A) and comprise a martensitic stainless steel or high-speed tool steel; the cage (4) comprises a resin material having solid lubricant properties; and the substrate surface of the inner race (1) and the outer race (2) is provided with a hard anodic oxidation coating (5) having a diamond-like carbon with a Vickers hardness (Hv) of 1,000-1,500 as a principal component thereof, with an intermediate layer interposed therebetween that incrementally or continuously increases hardness from the substrate toward the surface.
Inventors:
TANAKA NOBUHIRO (JP)
ISHIDA MASAYUKI (JP)
ISHIDA MASAYUKI (JP)
Application Number:
PCT/JP2016/056274
Publication Date:
September 09, 2016
Filing Date:
March 01, 2016
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C33/44; F16C19/14; F16C19/26; F16C33/56
Foreign References:
| JP2014020490A | 2014-02-03 | |||
| JP2003056575A | 2003-02-26 | |||
| JP2013228010A | 2013-11-07 | |||
| JP2008151264A | 2008-07-03 | |||
| JP2009133408A | 2009-06-18 | |||
| JP2006097871A | 2006-04-13 | |||
| JP2002235748A | 2002-08-23 |
Attorney, Agent or Firm:
KAMADA Naoya et al. (JP)
Naoya Kamata (JP)
Naoya Kamata (JP)
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