6009ZZ (I.D.=45mm, O.D.=75mm, Thickness=16mm); 60009ZZ bearing are shielded on BOTH SIDES to keep lubricant in; Chromium Steel long-life bearings, smooth and low noise.
6009-2RS (I.D.=45mm, O.D.=75mm, Thickness=16mm); 60009-2RS bearing are shielded on BOTH SIDES to keep lubricant in; Chromium Steel long-life bearings, smooth and low noise.