Rotary machine having single row four contact point bearing

A bearing used for an electromagnetic clutch includes an inner race, an outer race, and a plurality of balls provided between the inner and outer races. The plurality balls are arranged in single row, and each of the balls contacts both inner and outer races at two contact points, respectively. Thus...

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Bibliographische Detailangaben
Hauptverfasser:	TABUCHI YASUO, TOBAYAMA MASASHI
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A bearing used for an electromagnetic clutch includes an inner race, an outer race, and a plurality of balls provided between the inner and outer races. The plurality balls are arranged in single row, and each of the balls contacts both inner and outer races at two contact points, respectively. Thus, even when the outer race inclines due to an external force, each ball continuously contacts both the inner race and the outer race at at least one point, respectively. Accordingly, the balls do not fall due to gravity, thereby preventing noise generated by balls falling and colliding with the races.