Patent ID: 8033735

Claim:
An axle bearing assembly comprising: a flange on which a wheel is mounted; a hub shaft, constructed of a cylindrical portion, provided on an inboard side of the flange; a bearing portion equipped with an inner ring that is fixed to the cylindrical portion of the hub shaft, an outer ring, and a rolling element disposed between the inner ring and the outer ring; a first sealing member that is fixed to an inboard side between the inner ring and the outer ring; and a removable second sealing member that is disposed at an inboard side of the first sealing member, the second sealing member including a cover portion which is formed generally in a U-shape toward an outboard side, and which is accommodated in a gap between the inner ring and the outer ring on an inboard side of the bearing portion in such a manner that the cover portion does not rotate relative to the outer ring to cover the gap, wherein a portion of the second sealing member is disposed inboard of an inboard-side end of the outer ring of the bearing portion.