Ring, useful in rolling bearing and rolling element used in rail vehicles, comprises phosphate layer in first portion of surface of ring, and burnishing layer in second portion of the surface of ring, where first portion has outer surface

摘要

The bearing ring comprises a phosphate layer in a first portion of a surface of the ring, and a burnishing layer in a second portion of the surface of the ring. The first portion includes an outer surface (F1). The second portion includes a track surface (F5). An independent claim is included for a method for manufacturing a bearing ring.