GREASE COMPOSITION, ROLLER BEARING FOR CONSTRUCTION MACHINE AND ROLLER BEARING FOR STEEL MILL

摘要

PROBLEM TO BE SOLVED: 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.;SOLUTION: 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.;COPYRIGHT: (C)2008,JPO&INPIT