GREASE COMPOSITION FOR ROLLER BEARING AND ROLLER BEARING

摘要

PROBLEM TO BE SOLVED: To obtain a grease composition which is enclosed in a roller bearing for automobile electric parts or office-automation appliances and is excellent in high-temperature durability and anti-corrosive performance, and to provide a roller bearing enclosing the grease composition to be uesd for automobile electric parts or office-automation appliances which are excellent in the high-temperature durability and the anti-corrosive performance. SOLUTION: The grease composition to be enclosed in the roller bearing having a seal or a shield, used for automobile electric parts or office-automation appliances is obtained by incorporating 0.5-10 wt.% of a specified anti-corrosive agent to a grease composition which is obtained by adding a polytetrafluoroethylene powder or a polytetrafluoroethylene suspension as a thickening agent to a fluorine oil, or adding a metal soap as a thickening agent to a silicone oil. COPYRIGHT: (C)2004,JPO