... NTN , IKO , INA , TIMKEN , KOYO , ZWZ , HRB , LYC , HCH , TMB , WGB …… Needle roller bearingSerie Bearings Bore Diameter(mm) Na0000 10-245 Nk0000 5-100 ... NAV0000 15-190 KNA0000 10-160 KNAV0000 16-150 ... HK(BK)0000 4-70 K00×00×00 5-126 STO0000 6-50 TIMKEN Needle Roller Bearings ...