thrust ball bearing 51216 1.high quality of bearing and packaging 2.competitive price 3.ISO9001:2000 thrust ball bearing 51216Details: Shield / closure: Open ball bearing ... PTFE, nylon, PEEK or (stainless)steel thrust ball bearing 51216Specifications:Single direction thrust ball bearings consist of one row of balls ... of famous brands,NSK,SKF,TIMKEN,KOYO,NICHI,FAG,and so on. thrust ball bearing 51216