Title:
ANTI-FRICTION BEARING
Document Type and Number:
WIPO Patent Application WO/2015/008856
Kind Code:
A1
Abstract:
The present invention provides an anti-friction bearing that can prevent peeling in the surface of an iron-based metal member due to hydrogen brittleness even in severe environments. An anti-friction bearing (1) has a plurality of bearing members composed of an iron-based metal, and a lubricant composition (7) for lubricating metal contact surfaces of the bearing members, the lubricant composition (7) being a grease that contains a base oil and alkanolamine and does not contain inorganic acid alkali metal salts or alkali earth metal salts, the base oil being at least one oil selected from alkyl diphenyl ether oil, poly-α-olefin oil, and ester oil, the alkanolamine constituting 0.1 to 10 parts by weight of a combined 100 parts by weight of the base oil and a thickener.
Inventors:
KAWAMURA TAKAYUKI (JP)
ITO MOTOHIRO (JP)
ITO MOTOHIRO (JP)
Application Number:
PCT/JP2014/069189
Publication Date:
January 22, 2015
Filing Date:
July 18, 2014
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C33/66; C10M101/02; C10M105/18; C10M105/32; C10M107/02; C10M115/08; C10M133/08; C10M137/10; C10M169/02; C10M169/04; F16C19/00; F16C19/06; C10N30/00; C10N40/02; C10N50/10
Foreign References:
| JP2011168648A | 2011-09-01 | |||
| JP2006306986A | 2006-11-09 | |||
| JP2013018973A | 2013-01-31 | |||
| JP2012017460A | 2012-01-26 | |||
| JPH03210394A | 1991-09-13 | |||
| JP2005042102A | 2005-02-17 | |||
| JP2008266424A | 2008-11-06 | |||
| JPH11279578A | 1999-10-12 | |||
| JP2008156624A | 2008-07-10 |
Other References:
See also references of EP 3023657A4
Attorney, Agent or Firm:
WAKI, Misao et al. (JP)
Wake 操 (JP)
Wake 操 (JP)
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