... &hardness&density High precision, oem offered 8080 Oilness bearing, SF-1T Series :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 ... . Of linear expansion27×10-6per°C 8080 Oilness Bearing, SF-1T Series