| 摘要 |
<p>Bearing material including an antimony wear indication layer 18 detectable in bearing lubricant as indication of wear and sandwiched between layers of lead 16, 20 and cobalt 14, 22 on each side with further bearing layers 12, 24 on the outside of the sandwich. The first layer of bearing material is preferably of lead-bronze and the overlay is preferably of lead-indium alloy. A further overlay of lead-tin- copper may also be provided. The backing layer is preferably of steel. <IMAGE></p> |
