| abstract |
[PROBLEMS] To provide a bearing which can be reduced in cost compared to a fluorine-based grease, is excellent in heat resistance and rust prevention, is excellent in dispersibility of a hydrocarbon solvent, and is treated with a rust preventive oil using a mineral oil as a base oil. Excellent grease leakage. A rolling bearing comprising concentrically disposed inner and outer rings, a plurality of rolling elements interposed between the inner and outer rings, and lubricating grease sealed around the rolling elements. The lubricating grease 5 is a mixture of grease B using perfluoropolyether oil as a base oil and fluorocarbon resin particles as a thickener, and grease A using synthetic oil as a base oil and a urea compound as a thickener. It becomes. [Selection diagram] Fig. 1 |