Method and apparatus for measuring bearing friction

A method for testing rolling contact bearings, where each bearing has an inner race and an outer race. The method comprises: coupling the outer race of the bearing to a strain gauge; rotating the inner race of the bearing in a first direction and measuring the torque exerted on the outer race; and r...

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Bibliographische Detailangaben
Hauptverfasser:	MARQUIS, CHRISTOPHER L, MESSINEO, BERNARD A, GIBBS, JR., ROBERT M
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	A method for testing rolling contact bearings, where each bearing has an inner race and an outer race. The method comprises: coupling the outer race of the bearing to a strain gauge; rotating the inner race of the bearing in a first direction and measuring the torque exerted on the outer race; and rotating the inner race of the bearing in a second direction and measuring the torque exerted on the outer race. In another aspect, the invention comprises an apparatus for testing bearings. The apparatus includes elements for rotating the inner race of the bearing; a strain gauge; elements for coupling the outer race of the bearing to a strain gauge; and elements, coupled to the strain gauge, for measuring the force applied to the strain gauge when the inner race is rotated.