abstract |
The present invention provides a grease composition and a rolling bearing that prevent frictional wear on a lubricated surface in a state where a high load or sliding motion occurs, and that are excellent in long-term durability. A grease composition is obtained by adding an inorganic bismuth-based additive to a grease composition containing a thickener and a base oil. From the bismuth powder, bismuth sulfate and bismuth trioxide to the entire grease composition. 0.01 to 15% by weight of at least one selected inorganic bismuth additive is added, the thickener uses at least one compound selected from a urea compound and lithium soap, and the rolling bearing has the above grease composition Use things. [Selection figure] None |