... TLA=HK) 2, Steel plat(NA, TAF, TAF=NK) Small and Medium-Sized Needle Roller Bearings :Two types:1, Metal ... in the applied technology of rolling bearings.TLA...Z*TLAM,TA...Z*TAM,BA...ZOH*BAM,KT,NA49*RNA49, ... UU,NTB-AS,AZ,NAX*NAX...Z-NBX*NBX...Z,NAXI-NAXI...Z,NBXI-NBXI...Z,NATA-NATB,CF*CF...R- ... -NAST...R*RNAST...R,NAST...Z...ZZUU-NART...R...VR,NART...UUR...VUUR Small And Medium-Sized Needle Roller Bearings ...