HT250 Cast iron self lubricated bushing TSB-500#-5STRUCTURE: Cast iron bearings made of HT250 with solid lubricant plug (graphite)TECHNICAL DATA:Density6.8 g/cm3Hardness>160 HBTensile strength>150 N/mm2Yeild strength-------------------Elongation-------------------Coefficient of linear expansion-------------------Operating temperature-------------------Max. Dynamic Load-------------------Max. SpeedOil1.0 m/sFrictionOil0.13~0.20 μCHARACTERISTICS:Bronze alloy bearings with graphite plugs provide both good wear resistance and great self lubricating feature of this bearing.This designation enables the bearings to be operated without oiling or greasing maintenance.It is widely used in the field of high load and intermittent movement as well as oscillating movement conditions.TYPICAL APPLICATIONS: HT250 Cast iron self lubricated bushing TSB-500#-5 is widely applied in automobile assembling line,Website:http://www.jxtisen.com, water turbine, gate dams, plastic injection machinery etc. Depending on different working conditions, variety of types of different alloys are available from TSB.