Profile: Hangzhou haifeng bearing Co., LTD Factory specializes in the designing & production of bearings. Our product HFB-1X is steel-based with inter-layer of sintered porous bronze particles & rolled with PTFE and Pb mixture as a surface layer. This has low friction coefficient, anti-wear & anti-corrosion properties and can be used without oil. Our products include tapered roller, pillow block, cylindrical roller, spherical roller bearings and self-aligning ball bearings.