6310ZZ (I.D.=50mm, O.D.=110mm, Thickness=27mm); 6310ZZ bearing are shielded on BOTH SIDES to keep lubricant in; Chromium Steel long-life bearings, smooth and low noise.
6310-2RS (I.D.=50mm, O.D.=110mm, Thickness=27mm); 6310-2RS bearing are shielded on BOTH SIDES to keep lubricant in; Chromium Steel long-life bearings, smooth and low noise.