Profile: Zhejiang SF Oilless Bearing Co., Ltd is a manufacturer of sliding bearings. Our SF-1X is wall wrapped bearing made of triple layer composites material, which consists of a steel backing, a sintered porous bronze particles interlayer and calendared with PTFE and Pb mixture as surface layer. It is of low friction coefficient, anti-wear, anti-corrosion and can be used without oil, or only a trace of oil as needed.