Patent · US Active

Non-magnetizable rolling bearing component of an austenitic material and method of making such a rolling bearing component

US8950947B2 · kind B2 · utility

0Cited by

14References

8Claims

0Family size

Assignee

Schaeffler Technologies AG & Co. KG · DE

Inventors

Ernst Strian · Gräfenberg, DE
Stefan Birkner · Jessenitz Siedlung, DE
Ralf Winter · Tegernsee, DE
Julia (Amberger) Hermann · Koblenzer Straße, DE

Key dates

Filing date	Feb 6, 2009
Grant date	Feb 10, 2015
Priority date	—
Expiry date	Apr 3, 2033

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16C33/64
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A non-magnetizable rolling bearing component made of an austenitic material and comprising a hardened surface layer wherein the component of the invention is a material used for making the component contains manganese and a method for making such a rolling bearing component wherein the surface-proximate layer of the material of the rolling bearing component contains an admixture of manganese, is carburized at an elevated temperature in an oxygen-rich atmosphere and the rolling bearing component is then cooled.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.