| 摘要 |
PROBLEM TO BE SOLVED: To provide a grease composition having an excellent rust preventing property, free from adverse effect to the environment, and to provide a rolling device hard to cause rusting. SOLUTION: The rolling device is composed of a deep groove ball bearing 1 provided with an inner ring 3, an outer ring 2 and a rolling element 4, wherein the gap of the device is filled with the rust preventive grease 7 containing a base oil, a thickener and a conductive polymer. The rust preventive grease 7 is preferably added with a dopant which acts on the conductive polymer as an electron doner or an electron acceptor. COPYRIGHT: (C)2008,JPO&INPIT |
