A rolling bearing with sealing device provided on each side of the rolling bearing in order to prevent the entry of contaminants inside the rolling bearing, the rolling bearing having a non-rotating outer ring and a rotating inner ring and with a plurality of rolling bodies placed between them. The sealing device provided with first and second shields arranged axially in series between them across a cavity defined by the two rings, the first shields integral with the outer ring and the second shields integral with the inner ring and defining with the first shields an annular gap, which has a substantially constant axial thickness and is radially bounded by a first sealing labyrinth arranged in the region of the outer ring and a second sealing labyrinth arranged in the region of the inner ring.