self-lubricating bearing for car

Bearing 1. product :Pb free self-lubricating bearing 2.material:PTFE ,steel backing,porous bronze 0.2--0.3mm, copper/tin plating 0.002mm 3.It's based on bronze alloy of a particular formulation with high density,with sintered bronze layer as its interlayerm,with the compound of PTFE and Pb as its surface .It's used in steel meatllurgical industry,such as those in roller grooves of successive casting machines ,cement grout pumps and spiral conveyers for cement,etc.