CuPb24Sn4 bimetallic gearbox bushes TSB-720STRUCTURE: Steel Backing and Bronze Alloy Overlay COMPOSITION: Steel + CuPb24Sn4 bronze alloyMICROSECTION:   Bronze Sliding layer (CuPb24Sn4)Steel BackingTECHNICAL DATA:Max. sliding speed V(m/s)2.5 m/sMax. PV factor (N/mm2.m/s)2.8 N/mm2.m/sOperating TemperatureMax. Greased150°CMax. Oil lubricated250°CCoefficient of frictionGreased0.05~0.12μOiled0.04~0.12μSurface roughness (Ra)≤0.8 µmAlloy Layer Hardness (HB)45-70Coeff. Of linear expansion18x10-6/KCHARACTERISTICS:Particularly suitable for high specific loads with oscillating motion and low frequency.Applicable in rough operation conditionsHigh load capacity,Website:http://www.jxtisen.com, very good resistance to fatigue strength at higher temperatures.TYPICAL APPLICATIONS: CuPb24Sn4 bimetallic gearbox bushes TSB-720 is widely used in High speed, heavy load engine main shaft and transmission gearbox etc.