... 9001:2000 certificate Chrome/Stainless steel thrust needle roller bearing/thrust needle bearings/thrust needle bearingThrust needle bearing1. Material: Chrome ... ,NKXR,SL)Series6) Inner ring (IR,LR,LRB)Series7) Trust Roller Bearing(AXK,AS,LS,ZS,WS,NTA,TRA,TRB,TRC,TRD ... cage assemblies (K,KT,KBK,KZK,KZW)Series9) Heavy duty roller bearing (NA,NK,NKI,NAV,NAO,HJ,BR,BRI)Series thrust ...