JF-800 bimetal bushing is based on steel and sintered with CuPb10Sn10 as a lining layer. This type has the best performance within the range of Cu-Pb alloy constructured bushing.Thereforce it has a wide application and is mostly suitable for where is middle speed and high i***ct etc. LEAD BRONZE ALLOY LOAD CAPACITY TEMPERATURE MAX. HARDERNESS ALLOY CuPb10Sn10 65N/mm2 260C (70~100)HB