... certificate Chrome/Stainless steel thrust needle roller bearing/thrust needle bearings/thrust needle bearingThrust ... ring (IR,LR,LRB)Series7) Trust Roller Bearing(AXK,AS,LS,ZS,WS,NTA,TRA, ... Roller and cage assemblies (K,KT,KBK,KZK,KZW)Series9) Heavy duty roller bearing (NA,NK,NKI,NAV,NAO,HJ,BR,BRI)Series ... thrust needle roller bearing