| 摘要 |
<p>A seal (1) for the seat of a rotary shaft (3), including a metal support (10); an elastomeric element (11) cured on to the support and having at least one annular sealing lip (12); and a sealing lip protection and centering element consisting of a dust ring (16) interference fittable to the shaft (3) so as to rotate, in use, angularly integral with it, and housed idly inside an annular channel seat (20) formed integral with the support (10) and radially and axially outwards of the seat in relation to the sealing lip (12). <IMAGE></p> |
