Patent ID: 7625127
Filing Date: 2009-12-01
Classification: B60C,F16C

Abstract:
1. A sealing device for a rolling bearing, the bearing comprising at least one stationary race and at least one rotatable race, each defining respective channels for the passage of pressurized air, the sealing device comprising: two flexible gaskets; two annular sealing units axially facing one another, each sealing unit comprising an annular reinforcement having an axial cylindrical wall for mounting to a first bearing race and a substantially radial wall extending from the cylindrical wall for reinforcing the respective flexible gaskets, a perforated ring having a plurality of radial air passages, the perforated ring coupling the two sealing units; wherein the perforated ring is located coaxially and forcefully coupled with radial interference within both of the cylindrical walls of the two reinforcements, and wherein the substantially radial walls of the two reinforcements provide axially inner facing surfaces axially abutting respective opposite axial ends of the perforated ring, and the cylindrical walls of the two reinforcements are at least in part axially spaced from one another by the perforated ring to allow pressurized air to flow through the passages of the perforated ring.