| abstract |
An object of the present invention is to suppress generation of outgas and increase in viscosity of grease. SOLUTION: Poly-α-olefin oil as base oil, ester oil, mixture of two or more of ether oil, urea compound as thickener, and benzotriazole as antioxidant , Triphenyl phosphorothionate, thiophenol, hindered amine, a mixture of two or more of phosphites, and a rolling composition employing this grease Bearing and rolling bearing unit. [Selection] Figure 2 |