Rolling bearing having a nickel-phosphorus coating
AssigneeSKF GmbH
InventorsDavid Mikalonis, Hans Wallin, Hubert Koettrisch, Rutgerus Heemskerk, Xiao Zhou
Life of this patent
Estimating the term…
Abstract
Rolling bearing comprising at least one ring with raceway and rolling elements. To increase resistance against failure in an environment containing hydrogen disulphide the related part of the rolling bearing is coated with a nickel-phosphorus coating.
Claims17
Rolling bearing comprising at least one ring provided with raceway and rolling elements to engage said raceways, wherein said ring and raceway comprise a ball bearing steel, said ring and/or rolling elements having a nickel-phosphorus coating characterized in that said coating comprising at least 9% by wt phosphorous.
Method for producing a rolling bearing comprising at least one ring provided with raceway and rolling element to engage said raceway, wherein said ring and raceway comprise a ball bearing steel, wherein said ring and/or rolling elements are coated with a nickel-phosphorus coating, and before coating said elements a striking-layer is provided.
Dependencies are inferred from the claim text.