Rolling bearing

A rolling bearing comprises a roller ( 4 ), a roller shaft ( 2 ) provided inwardly of the roller ( 4 ), and rolling elements ( 3 ) provided between the roller ( 4 ) and the roller shaft ( 2 ), the roller shaft ( 2 ) having a nitrogen-rich layer and is arranged at its race surface, on which the rolli...

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Bibliographische Detailangaben
1. Verfasser:	WATANABE YASUYUKI,SHIBAMOTO NAOKI,KATAYAMA AKIHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING CHEMISTRY CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ELEMENTS OR CRANKSHAFT MECHANISMS ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS STEAM ENGINES THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A rolling bearing comprises a roller ( 4 ), a roller shaft ( 2 ) provided inwardly of the roller ( 4 ), and rolling elements ( 3 ) provided between the roller ( 4 ) and the roller shaft ( 2 ), the roller shaft ( 2 ) having a nitrogen-rich layer and is arranged at its race surface, on which the rolling elements ( 3 ) run, not smaller than 11 in the JIS austenite grain size number and not smaller than HV653 in the Vickers hardness number, at both ends not greater than HV300, and at its core beneath a widthwise midpoint of the race surface not smaller than HV550.