The development of a long life rolling element bearing for use under severe conditions is fundamental and important technology from an economic and environmental standpoint. Previously, NTJ2 was developed as a semi-heat resistant long life bearing steel, using silicon as an alloying element to enhance its heat resistance and life.It is thought, though, that the demand for a bearing material that can withstand higher temperatures and have a longer life than NTJ2 will be needed in the future. Thus, a new heat resistant, long life material called STJ2 was developed optimizing the alloying elements in the silicon-alloyed bearing steel. The new steel has good dimensional stability to 250°C, long life and is very resistant to surface damage.
Development of Heat Resistant Long Life Through Hardening Bearing Steel (STJ2)
Sae Technical Papers
International Off-Highway & Powerplant Congress & Exposition ; 2000
2000-09-11
Aufsatz (Konferenz)
Englisch
Development of heat resistant long life through hardening bearing steel ( STJ2 )
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