Rolling contact bearing, especially a large bearing for a steel rolling mill, has a race ring and/or rolling element made of a carburized or carbonitrided, high carbon, low nickel steel

摘要

A rolling contact bearing, includes a race ring and/or rolling element made of a carburized or carbonitrided steel having high carbon and low nickel contents. A rolling contact bearing has a rolling element of /-20 mm diameter and comprises a race ring and/or rolling element made of a carburized or carbonitrided steel containing 0.2-0.35 wt.% carbon (C) and 2.2-3.6 wt.% nickel (Ni).