Patent ID: 8777494

Claim:
A rolling bearing comprising: an inner ring, an outer ring spaced from the inner ring such that a rolling bearing chamber is defined between the inner ring and the outer ring, a plurality of rolling members disposed in the rolling bearing chamber, a bistable washer selectively disposable in one of two predetermined configurations, and an annular flange partly delimiting the rolling bearing chamber and disposed on one of the inner ring and the outer ring, the annular flange extending radially from the one ring and being generally axially aligned with the other one of the inner ring and the outer ring, wherein the bistable washer and the annular flange are jointly interposed between the inner ring and the outer ring; the other one of the inner ring and the outer ring having an inner edge facing in an axial direction, the annular flange has a continuous radial edge configured for pressing axially against the inner edge of the other one of the inner ring and the outer ring, the annular flange in its free state not being in contact with the other one of the inner ring and the outer ring; a seal disposed between the inner ring and the outer ring to partly delimit a side of the rolling bearing chamber opposite from a side of the rolling bearing chamber delimited by the annular flange, wherein the seal comprises a metal armature and an elastomer portion, the elastomer portion comprising a lip pressing slidingly against an outer radial surface of the inner ring, a portion of the metal armature extending axially along a portion of the elastomer portion that is in contact with the outer ring and having another portion extending radially toward the inner ring from the portion of the metal armature that extends axially.