Abstract: A rolling bearing has a pair of sealing rings, each of which presents at least one radial lip designed to rest and slide on a corresponding surface of the bearing inner ring and is inserted in an annular groove formed on the bearing outer ring, the aforementioned groove presenting, on the side facing the row of rolling bodies, a first tapered shoulder surface for the sealing ring and, on the opposite side, a second shoulder surface for the ring itself; each of the aforementioned sealing rings being made of deformable material and having a metal annular strengthening member and a layer of the aforementioned material arranged over the strengthening member, on the side facing the first shoulder surface, and designed to rest on the first shoulder surface.