Deep Groove Ball Bearings,ball bearings,bearings 1.Quality:ISO9001:2000 certificate 2.Large sales make our prices super low Deep Groove Ball Bearings,ball bearings,bearingsA: Inner Ring Bore Diameter from ... (Fxxx, MFxxx), R-Flange(FRxxx),C: Models: OPEN, RS, 2RS, RZ, 2RZ, Z, ZZ, N, M are all available. ... Material: Gcr15 Chrome Steel, Stainless Steel AISI440C, Ceramic Si3N4. Deep Groove Ball Bearings