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Title:
GREASE COMPOSITION FOR TAPERED ROLLER BEARING
Document Type and Number:
WIPO Patent Application WO/2020/105702
Kind Code:
A1
Abstract:
A grease composition for a tapered roller bearing, containing: (a) at least one compound selected from the group consisting of metal salts in which the valence of the metal group is 2 as an additive; (b) a base oil including a synthetic oil having a viscosity index of 110 or higher and a pour point of -35°C or lower, in a ratio of at least 40% with respect to the base oil as a whole; (c) a thickener; and (d) an antioxidant.

Inventors:
ISA KAZUKI (JP)
TAKEYAMA YUKI (JP)
SATO YUTA (JP)
Application Number:
PCT/JP2019/045618
Publication Date:
May 28, 2020
Filing Date:
November 21, 2019
Export Citation:
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Assignee:
KYODO YUSHI (JP)
International Classes:
C10M169/06; C10M115/08; C10M117/00; C10M125/10; C10M129/10; C10M133/12; C10M135/02; C10M135/10; F16C19/34; C10N10/02; C10N10/04; C10N20/00; C10N20/02; C10N30/00; C10N30/06; C10N30/08; C10N40/02; C10N50/10
Domestic Patent References:
WO2013031705A12013-03-07
Foreign References:
JP2004018725A2004-01-22
JP2015229705A2015-12-21
JP2009191173A2009-08-27
JP2009209179A2009-09-17
JP2011052050A2011-03-17
JP2006077056A2006-03-23
JP2014118467A2014-06-30
Other References:
"Automotive Technology Handbook", vol. 7, article "Suspensions, Axles, Tires, Wheel", pages: 496 - 501
GEKKAN TORAIBOROGI, TOKUSYU, vol. 10, 2006
"Feature - Tribology of Automobiles, Technological Trend of Tapered Roller Bearings in Hub-unit Bearings", MONTHLY TRIBOLOGY, 2006, pages 44 - 45
CAS, no. 68411-46-1
See also references of EP 3885425A4
Attorney, Agent or Firm:
TANAKA Shinichiro et al. (JP)
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