1. Professional manuafacuturer 2. Copper Base Self-lubricated Flange Bearing 3. Even porosity and Long ... MaterialsCu-10Sn, MPIF CT-1000-K26, ASTM B438Feature1. Chemical composition: copper, tin, graphite, other2. Radial crushing strength: 147-196Mpa3. Oil content ... welcome to visit our factory at your convenient time!Mary Copper Base Self-lubricated Flange Bearing