... large stock Professional solution 1. Bearing structure: Usually including rod ends bearing and radial spherical plain bearing, always for a ... made of plastic, nylon, PTFE...etc;3. Bearing Type1): Rod ends bearing(ball joint) including GE,GEG,GK,GF,GIHO ... treatment: Zinc-plated, Chromium-plated, Phosphate treated, Outer race lined bronze, iron...etc;5. Applications: Oil cylinders, Autos, Water machinery, ...