6006ZZ (I.D.=30mm, O.D.=55mm, Thickness=13mm); 6006ZZ bearing are shielded on BOTH SIDES to keep lubricant in; Chromium Steel long-life bearings, smooth and low noise.
6006-2RS (I.D.=30mm, O.D.=55mm, Thickness=13mm); 6006-2RS bearing are shielded on BOTH SIDES to keep lubricant in; Chromium Steel long-life bearings, smooth and low noise.