Patent ID: 6974136

Claim:
Sealing device for a wheel hub group connected to a differential device, and provided with a rolling bearing, the sealing device being mounted in such a way as to protect the bearing from a lubricating fluid for the lubrication of the differential, the sealing device comprising: a first shield which is integral with a outer race of the bearing, a second shield which is integral with an inner race of the bearing and which faces the first shield, and a dynamic sealing element which is interposed between the first and second shields: wherein the second shield is arranged internally to the first shield in relation to the bearing, and comprises: a support portion which is made of metallic material and which is force fit onto the inner race, and an external portion which is provided with a cylindrical encoder which is integral with the support portion; and wherein the first shield comprises: a first cylindrical portion which is made of metallic material and which is force fit onto the outer race in a position which is at least coaxial to the encoder, and is provided with at least one slit for being engaged by a sensor for reading a signal generated by the encoder.