Needle bearing 1Material:chrome steel Gcr15 or as requirement 2Size:5-1500mm 3.ISO9001-2000certificate 4various type Needle bearing: ... 1.Material:chrome steel Gcr15 or as requirement2.Size:5-1500mm3.ISO9001-2000certificate4.High quality ,low price ... ,HFL,RC,RCB,EWC ..(3) Thrust roller bearing series:AXK,AS,LS,ZS,WS,NTA,TRA,TRB,TRC ,TRD,K811,K812 ...