FB-090 Bronze self-lubricating bearings used a kind of high density broze alloy 

of special compositions as base, surface of alloy  is rolled diamond type of the 

oil  indents or half ball oil  indents, this kind of bearing has higher density,  load 

capacity, well wearing performance,  longer  lifetime.  It has been widely used  in 

many fields, such as hoist machines, building machinery, machine tool  industry 

and mining machinery.