... packaging 2.competitive price 3.ISO9001:2000 thrust ball bearing 51216Details: Shield / closure: Open ball bearing, Z, ZZ, RS, 2RS, ... PTFE, nylon, PEEK or (stainless)steel thrust ball bearing 51216Specifications:Single direction thrust ball bearings consist of one row of balls, ... type and can be mounted separately. Single direction thrust ball bearings, can accommodate axial loads in one direction ...