... MaterialsCu-10Sn, MPIF CT-1000-K26, ASTM B438Feature1. Chemical composition: copper, tin, graphite, other2. Radial crushing strength: 147-196Mpa3. Oil ... quenching5. Ultrasonic clearing and auto deburring6. In-house tooling making: EDM, wire cutting machine7. Strength in machining: Machine center, CNC milling, ... to visit our factory at your convenient time!Mary Copper Base Self-lubricated Flange Bearing