Patent ID: 7011593

Claim:
A tensioning or deflection pulley for a belt drive, comprising: a carrier; a track roller including an inner ring, an outer ring, and a connecting assembly for interconnecting the inner and outer rings, said connecting assembly including a wheel disk extending between the inner and outer rings and a rib assembly disposed on both sides of the disk in circumferential spaced-apart relationship; a sealed rolling-contact bearing for supporting the track roller on the carrier via a fastening screw; a first sealing element connected to the track roller on a carrier-distal side; a second sealing element in the form of a cap cover disposed between the carrier and the track roller and detachably secured to the inner ring of the track roller, said second sealing element having an inwardly turned rim portion, which is formed with a locking element for attachment to the inner ring of the track roller, and a bottom portion formed with a central receiving bore for encompassing the carrier; and a first seal extending axially inwards from the bottom portion of the second sealing element at a distance to the rim portion, and a second seal extending radially inwards in the area of the receiving bore and made of elastic material, said second seal having sealing lips resting against an adaptation surface of the inner ring and an adaptation surface of the carrier.