| 摘要 |
PROBLEM TO BE SOLVED: To provide a grease composition in which the generation of out-gas and the increase of grease viscosity are suppressed.SOLUTION: Provided is a grease composition characterized in containing: any one or a mixture of two or more of poly-α-olefin oil, ester oil and ether oil as the base oil; an urea compound as the thickener; and any one or a mixture of two or more of benzotriazole, triphenyl phosphoro-thionate, thiophenol, hindered amine and phosphorous acid ester as the antioxidant. Also provided is a rolling shaft bearing and rolling shaft bearing unit employing said grease. |
