| 摘要 |
A hub-bearing unit (10) for rotatably is provided with a radially outer ring (20) stationary, a radially inner ring (30) with a flange (32) for mounting a wheel and a sealing device (50) having a first metal insert (51), annular shaped, steadily fixed at an end portion of the outer ring facing the flange, an annular gasket (52), having a plurality of elastomeric sealing lips and steadily fixed to the metal insert, and a second metal insert (70), steadily fixed on an axial cylindrical surface (33) of the inner ring, wherein the gasket presents a first axial contacting lip (60), which slidingly contacts a substantially frustoconical portion (73) of the second metal insert. |
