... Good abrasion resistance&hardness&density High precision, oem offered Sliding oilless bearing:Availability: Cylindrical bushes, flange bushes, thrust washers and strips ... of temperature from -40°c~+300°cItems: SF-1X, SF-1T, SF-1P, SF-1W, SF-1B, SF-1S, SF-2, SF-2Y, JF-800, FB090, FB09G, FB08G, FB092 ... /M.br.cCoeff. Of linear expansion27×10-6per°C Sliding Oilless Bearing