Title:
GREASE COMPOSITION, ROLLER BEARING FOR CONSTRUCTION MACHINE AND ROLLER BEARING FOR STEEL MILL
Document Type and Number:
Japanese Patent JP2008115318
Kind Code:
A
Abstract:
To provide a grease composition retaining favorable lubricity over a long period of time by inhibiting occurrences of white structure flaking and corrosion, even when moisture is mixed therein, and roller bearings which are intended for construction machines and steel mills, are excellent in water resistance and are sealed with the grease composition.
The grease composition contains a base oil comprising at least one lubricating oil chosen from a mineral oil and a synthetic oil and a thickener and contains 0.1-5 mass% oleoylsarcosine based on the total mass of the grease. The roller bearings for construction machines and steel mills are each sealed with the grease composition.
Inventors:
NAKATANI SHINYA
KURAISHI ATSUSHI
MATSUMOTO KANEAKI
KURAISHI ATSUSHI
MATSUMOTO KANEAKI
Application Number:
JP2006301596A
Publication Date:
May 22, 2008
Filing Date:
November 07, 2006
Export Citation:
Assignee:
NSK LTD
International Classes:
C10M169/02; C10M101/02; C10M105/06; C10M105/18; C10M105/32; C10M107/02; C10M107/18; C10M115/08; C10M117/02; C10M133/16; F16C33/66; C10N10/02; C10N10/04; C10N10/06; C10N30/12; C10N40/02; C10N50/10
Attorney, Agent or Firm:
Shohei Oguri
Hironori Honda
Toshimitsu Ichikawa
Hironori Honda
Toshimitsu Ichikawa