NTN Roller Bearing 306/47 approved TS16949 Certificate. NTN Roller Bearing 306/471 Taper roller bearings is the largest amount of single row circular cone roller bea ... . Main types : deep groove ball bearing , self-aligning ball bearings, cylindrical roller bearings, spherical roller bearing , tapered roller bearing , thrust ball bearing 8. Bearing name :taper roller bearing 9 . Brand : SKF. KOYO ...