| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a grease composition having improved rust preventing performance, corrosion resistance and wear resistance, a rolling bearing, a long-life force feeder for a fuel cell system, and the fuel cell system. <P>SOLUTION: The grease component contains at least one type selected from benzotriazole or its derivative, indazole or its derivative, benzothiazole or its derivative, benzooxazole or its derivative, benzimidazole or its derivative and thiadiazole or its derivative, at 0.2-2 mass% of the total amount of the grease composition, and at least one type selected from metal dithiophosphate and metal dithiocarbamate, at 1-10 mass% of the total amount of the grease composition. The rolling bearing is filled with the grease composition, the force feeder for the fuel cell system comprises the rolling beaing, and the fuel cell system comprises the force feeder. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
