US Patent 7963700 Sealing device for antifriction bearing comprising identifying means

A sealing device for an antifriction bearing includes a fixed support and a rotating support, the sealing device comprising a metal frame designed to be associated with a support of the bearing and a sealing joint, the frame including an annular seat and, secured to the seat, electronic identifying means consisting of a transponder connected on a communication antenna, wherein the antenna has an at least semi-annular or annular shape which is designed to be urged opposite the seat, the identifying means being secured to the seat via an insulating material layer which is interposed between the antenna and the seat so as to provide electromagnetic insulation for the antenna.