A centrifugal pump (10) includes a housing (26), an impeller (28) that is rotatably disposed inside the housing (26), a shaft (62) that is provided at a center rotational axis of the impeller (28), and bearings (70) that pivotally support the shaft ends (66). At least one of the shaft ends (66) has surface roughness Ra equal to or less than 0.21 μm and/or surface roughness Ry equal to or less than 1.49 μm.
