Title:
BALL BEARING
Document Type and Number:
Japanese Patent JP2006169315
Kind Code:
A
Abstract:
To provide a low-torque low-noise ball bearing excellent in sound life.
In the ball bearing equipped with an inner ring 1, an outer ring 2, a rolling element 3, a cage 4 and a grease composition-filling member 5, a grease composition is filled into a gap S formed by the inner ring 1, the outer ring 2 and the rolling element 3, wherein the grease composition contains a base oil comprising an ester oil, a metal soap thickener and a glycerine fatty acid ester in an amount corresponding to 0.5-5.0 mass% of the total mass of the composition.
Inventors:
KAMIMURA HIDEHIRO
KURAISHI ATSUSHI
KURAISHI ATSUSHI
Application Number:
JP2004361263A
Publication Date:
June 29, 2006
Filing Date:
December 14, 2004
Export Citation:
Assignee:
NSK LTD
International Classes:
C10M169/02; C10M105/32; C10M117/00; C10M129/74; F16C33/66; C10N10/02; C10N10/04; C10N10/06; C10N30/00; C10N30/06; C10N40/02; C10N50/10
Attorney, Agent or Firm:
Shohei Oguri
Hironori Honda
Toshimitsu Ichikawa
Takeshi Takamatsu
Hironori Honda
Toshimitsu Ichikawa
Takeshi Takamatsu
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