Title:
ROLLING BEARING, GREASE COMPOSITION FOR HUB UNIT BEARING, AND HUB UNIT BEARING FOR VEHICLES
Document Type and Number:
WIPO Patent Application WO/2006/078035
Kind Code:
A1
Abstract:
This invention provides a grease composition that, even when water has entered, can maintain a good lubrication state for a long period of time and can suppress white texture separation and corrosion. There is also provided a hub unit bearing for vehicles that, even when used in such an environment that water enters, is less likely to cause white texture separation and corrosion and can realize a prolonged service life. A rolling bearing is also provided in which a grease composition characterized by adding an additive having a water-resistant film forming property has been sealed. The grease composition for hub unit bearing is characterized by comprising a base oil composed mainly of at least one oil selected from mineral oils and synthetic oils, a thickening agent, and a separation preventive agent. The hub unit bearing for vehicles comprises the above grease composition sealed therein.
Inventors:
NAKATANI SHINYA
KURAISHI JUN
MATSUMOTO TOMOAKI
NAMIKI MINORU
AIDA RYO
ENDO TOSHIAKI
KURAISHI JUN
MATSUMOTO TOMOAKI
NAMIKI MINORU
AIDA RYO
ENDO TOSHIAKI
Application Number:
PCT/JP2006/301047
Publication Date:
July 27, 2006
Filing Date:
January 24, 2006
Export Citation:
Assignee:
NSK LTD (JP)
KYODO YUSHI (JP)
NAKATANI SHINYA
KURAISHI JUN
MATSUMOTO TOMOAKI
NAMIKI MINORU
AIDA RYO
ENDO TOSHIAKI
KYODO YUSHI (JP)
NAKATANI SHINYA
KURAISHI JUN
MATSUMOTO TOMOAKI
NAMIKI MINORU
AIDA RYO
ENDO TOSHIAKI
International Classes:
C10M171/00; B60B35/02; C10M101/02; C10M115/08; C10M117/02; C10M129/26; C10M129/40; C10M133/08; C10M133/10; C10M133/16; C10M133/38; C10M135/18; C10M149/14; C10M159/24; C10M169/00; F16C19/18; F16C33/66; C10N30/00; C10N30/12; C10N40/02; C10N50/10
Domestic Patent References:
| WO2003099973A1 | 2003-12-04 |
Foreign References:
| JPH03210394A | 1991-09-13 | |||
| JP2002323053A | 2002-11-08 | |||
| JP2004359848A | 2004-12-24 | |||
| JP2004331716A | 2004-11-25 | |||
| JP2001247888A | 2001-09-14 | |||
| JPH0841478A | 1996-02-13 | |||
| JPH07316579A | 1995-12-05 | |||
| JPH1017884A | 1998-01-20 | |||
| US2445936A | 1948-07-27 | |||
| US3801506A | 1974-04-02 | |||
| US2828261A | 1958-03-25 | |||
| US20020076125A1 | 2002-06-20 | |||
| EP1496103A2 | 2005-01-12 | |||
| JPH05247485A | 1993-09-24 | |||
| GB1083075A | 1967-09-13 |
Other References:
See also references of EP 1847586A4
Attorney, Agent or Firm:
Oguri, Shohei (Nishi-Shimbashi 1-chome Minato-ku, Tokyo, JP)
Download PDF: