| 摘要 |
<p>The invention concerns a wheel in particular for an in-line roller skate comprising a ball bearing including an inner ring (6) and an outer ring (10) separated by rolling elements (5) and a rolling surface (5) integral with the outer ring. The invention is characterised in that the outer ring (10) constitutes the element of a rim maintaining the rolling surface (5) while said rim edges are located in the proximity of the mounting surface (20) of the sealing means (13, 14).</p> |
