Bronze bushing introduction: 1、Based on high density copper alloy of special formula. 2、The alloy surface is rolled to diamond or global oil grooves. 3、It has high density,good load capacity and wear-resistant. 4、Bronze bushingis applied to lifting machinery, construction machinery and mining machinery,etc. Tech.Data. Pressure resistance strength 470N/mm2 Coefficient of heat conduction 58 W/m·k Alloy hardness 90 120 HB Alloy material CuSn8P Density 8.8g/cm3 Linear expansion coefficient 18.5x10 -6/k Elongation 40%