... ,R and smooth,Better lubrication and longer life. STRUCTURE1.POM with fibre 0.3-0.5mm2.Porous bronze 0.2-0 ... .It is used under high load cap acities performance &low speed with rotational,oscillating or frequent stop-start motion.3.It can ... oil in the condition of boundary.Iubrication,if it is with oil or grease lubrication intervally,the life will be longer ...