Patent ID: 6499885
Filing Date: 2002-12-31
Classification: F16C,F16J,G01P

Abstract:
A bearing apparatus comprising:an outer ring member arranged in a fixed state; an inner ring member coaxially inserted through said outer ring member inwardly and rotated; a plurality of rolling elements interposed in several places of a circumference between said outer ring member and said inner ring member; and a sealing apparatus attached to a shoulder section of an inner peripheral surface of said outer ring member, wherein said sealing apparatus has a first seal ring attached to said outer ring member and a second seal ring attached to said inner ring member, and both of said seal rings are combined so as to form a sealing section, wherein said first seal ring has an annular body with an axially cylindrical section, and is provided with a sensor member on an outer periphery of the cylindrical section of said annular body, and provided with a resin-made outer case, which is fitted into said outer ring member so as to cover said sensor member and have a predetermined interference for said outer ring member, by insert-forming, wherein a pulsar ring is attached to said second seal ring so as to face said sensor member of said first seal ring in a radial direction.