摘要 |
<p>The present invention relates to an improved rolling bearing, in particular one being used in aqueous environment, such as water and steam, comprising an outer race, an inner race, rolling elements, and a retainer holding said rolling elements in a spaced relation from each other, wherein the races of the bearing is made of stellite, the rolling elements are made of hot-isostatic-pressed alumina-zirconia composites, and the retainer is made of poly-ether ether ketone comprising graphite fibres, graphite powder, and polytetrafluoroethylene.</p> |