A rolling bearing assembly comprising: - a rolling bearing with an inner ring, an outer ring and rolling bodies between the inner and outer rings, - an encoder washer fast in rotation with a first one of said inner and outer rings, - sensing means (40, 42, 44) fast in rotation with a second one of said inner and outer rings, said sensing means being adapted to detect a rotation parameter of the encoder washer, and - an electric cable with a first end connected to said sensing means and a second end adapted to be connected to an electronic circuit, - an electronic filter wherein - said filter is efficient to prevent transient voltage oscillations due to electromagnetic fast transient phenomenons from damaging said sensing means (40, 42, 44), - said filter is mounted on said cable, between its first and second ends (52,54) - said cable has four conductors (501, 502, 503, 504) with a first conductor conveying a positive voltage to said sensing means, a second conductor conveying a negative voltage to said sensing means, a third conductor and a fourth conductor conveying an output signal of said sensing means and - said filter includes first, second, third and fourth tracks (601, 602, 603, 604) respectively joining first and second parts of said first, second, third and fourth conductors, each of said first, third and fourth tracks having a resistance (R 1, R 2, R 3) in series and being connected to the second track by at least two parallel lines (701-703, 801, 802, 901, 902) having each a capacitor (C 1 -C 3, C' 1, C' 2, C" 1, C" 2) in series, the two capacitors of the two lines connecting one of said first, third or fourth tracks to said second tracks having different values. - a rolling bearing with an inner ring, an outer ring and rolling bodies between the inner and outer rings, - an encoder washer fast in rotation with a first one of said inner and outer rings, - sensing means (40, 42, 44) fast in rotation with a second one of said inner and outer rings, said sensing means being adapted to detect a rotation parameter of the encoder washer, and - an electric cable with a first end connected to said sensing means and a second end adapted to be connected to an electronic circuit, - an electronic filter wherein - said filter is efficient to prevent transient voltage oscillations due to electromagnetic fast transient phenomenons from damaging said sensing means (40, 42, 44), - said filter is mounted on said cable, between its first and second ends (52,54) - said cable has four conductors (501, 502, 503, 504) with a first conductor conveying a positive voltage to said sensing means, a second conductor conveying a negative voltage to said sensing means, a third conductor and a fourth conductor conveying an output signal of said sensing means and - said filter includes first, second, third and fourth tracks (601, 602, 603, 604) respectively joining first and second parts of said first, second, third and fourth conductors, each of said first, third and fourth tracks having a resistance (R 1, R 2, R 3) in series and being connected to the second track by at least two parallel lines (701-703, 801, 802, 901, 902) having each a capacitor (C 1 -C 3, C' 1, C' 2, C" 1, C" 2) in series, the two capacitors of the two lines connecting one of said first, third or fourth tracks to said second tracks having different values.