Rolling element bearing having at least one rolling element which is harder than the other rolling elements and harder than the races
AssigneeSKF Industrial Trading and Development Company, B.V.
InventorsAntonio Gabelli, Piter Abraham Veenhuizen, Gerardus De Vries
Life of this patent
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Abstract
A rolling element bearing having inner and outer rings and a plurality of rolling elements where one, two or at least one but not all of the rolling elements of the plurality of rolling elements is harder than the other of the plurality of rolling elements and harder than the rings.
Claims12
A rolling element bearing including outer and inner rings which consist essentially of steel and which define outer and inner raceways, respectively, which enclose a bearing space, and a plurality of rolling elements within said bearing space, said plurality of rolling elements comprising a first set of said rolling elements each having an outer surface comprising steel and a second set of said rolling elements wherein at least one of second set of said rolling elements has an outer surface which is harder than said outer surfaces of said rolling elements of said first set of said rolling elements, and which is harder than said raceways of said outer and inner rings.
A rolling element bearing including outer and inner rings which consist essentially of steel and which define outer and inner raceways, respectively, which enclose a bearing space, and a plurality of rolling elements within said bearing space, said plurality of rolling elements comprising a first set of said rolling elements each comprising steel and a second set of said rolling elements wherein at least one of said second set of said rolling elements consists of material which is harder than said rolling elements of said first set of said rolling elements, and which is harder than said raceways of said outer and inner rings.
Dependencies are inferred from the claim text.