... This series features deep, honed raceways, resulting in a perfectly balance bearing. 3.6300 Series - Medium ... allowing greater radial, thrust combined load capacity for a given bore size. 4. Features: Shield / ... Z, ZZ, RS, 2RS, 2RZ Ball bearings snap ring: N, NR Tolerance code: ABEC-1, ABEC-3 ... ) With a snap ring groove in outer ring N With a snap ring groove in outer ring and external snap ring NR 6 ...