Patent ID: 6217225
Filing Date: 2001-04-17
Classification: B60B,F16C,F16J

Abstract:
A wheel support device having an axle, a rotary member that rotates together with a wheel, roller bearings mounted on the outer surface of the axle for rotatably supporting the rotary member, said roller bearings comprising tapered roller bearings each comprising an outer ring, an inner ring, a cage mounted between said outer ring and said inner ring, tapered rollers held by said cage, and a seal device mounted between said outer and inner rings at the large-diameter end of said tapered rollers, said seal device comprising a slinger mounted to said inner ring, a metal core mounted to said outer ring, and a resilient seal fixed to said core and having sealing lips resiliently pressed against the inner surface of said slinger, wherein said metal core is disposed opposite an end face of said cage via a gap to prevent said outer and inner rings from separating from each other.