| abstract |
(57) [Problem] To provide a bearing for information equipment which has low torque, low noise, low volatility and does not cause fretting. A rolling element is provided between an outer member and an inner member, and the rolling elements are a first contact surface that is a contact surface with the outer member and a contact surface with the inner member. In a rolling device rolling against the second contact surface, a grease composition containing a carbonate ester as a base oil and a lithium soap as a thickener is selected from molybdenum dithiophosphate and / or molybdenum dithiocarbamate. A grease composition to which one or more organic molybdenum compounds are added. |