The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 19, 2016
Filed:
Mar. 04, 2013
Schaeffler Technologies Gmbh & Co. KG, Herzogenaurach, DE;
Ernst Strian, Kunreuth, DE;
Peter Gebauer, Erlangen, DE;
Heiko Schmidt, Muhlhausen, DE;
Oliver Graf-Goller, Heroldsberg, DE;
Schaeffler Technologies AG & Co. KG, Herzogenaurach, DE;
Abstract
A rolling bearing (), in particular for the mounting of the shaft of a turbocharger, which rolling bearing includes a bearing ring () and a number of rolling bodies (). The bearing ring () is formed from a steel which comprises, as alloy constituents, 0.05 to 0.65 wt % carbon, 0.5 to 5.0 wt % chromium, up to 1.0 wt % molybdenum, up to 1.0 wt % vanadium, and up to 1.0 wt % aluminum. The surface of the bearing ring () has a hardened surface layer () which comprises nitrites and which comprises a diffusion layer () and a connecting layer () situated above said diffusion layer. The surface layer () has a thickness of up to 1 mm. The invention also relates to a method for producing a corresponding bearing ring ().