... joint; Most spherical plain bearing consists of a plain bearing and ball bushing inside a lined, clydrical housing that minimizes friction or provides self ... plastic, nylon, PTFE...etc;3. Bearing Type1): Rod ends bearing(ball joint) including GE,GEG,GK,GF,GIHO ... bearing including PHS, POS, SI...T/K, SA...T/K, GIR...DO...series4. Surface treatment: Zinc-plated, Chromium-plated, Phosphate treated, Outer ...