RCB-600 bronze sleeve, is a kind of oil as a lubricating oil groove Bay copper-tin bronze bearings. The copper sleeve features a traditional bronze bearings, the use of tin bronze, the copper sets of HB hardness doubled, so the low-speed situations to use the product, than bronze sets of life can be extended twice, and its bearing pressure , can adapt to overload the occasion. Currently, the copper sleeve is mainly used for excavator joints and large force gear box.