RCB-600 flange copper sleeve, is a kind of oil as a lubricating oil groove Bay high strength brass bearings. The copper-tin bronze sleeve bearings with traditional features, the use of high-strength copper, 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, able to adapt to overload the occasion. Currently, the copper sleeve is mainly used for excavator joints and large force gear box.