21 Inch Four-Point Contact 528x732x80mm Ball Slewing Ring Bearing - No Gear Ball Diameter - 5 inch (5") 6820DDU Bearing is double sealed

6820DDU Bearing is double sealed

Basic Static Load Rating: 127

6802ZZ Ball Bearings

6820DU Bearing is double sealed

NN3013M2KC1NA P5 Nachi Cylindrical Roller Bearing

21 Inch Four-Point Contact 528x732x80mm Ball Slewing Ring Bearing - No Gear Ball Diameter - 5 inch (5") 6820DDU Bearing is double sealed21 Inch Four Point Contact 528x732x80 mm Ball Slewing Ring Bearing with No Gear Four Point Contact Ball Slewing Bearing with no Gear A slewing bearing ring is a rotational rolling element bearing that typically supports a heavy but slow turning or slow oscillating load, often a horizontal platform such as a conventional crane, or the wind facing platform of a horizontal axis windmill. (To 'slew' means to turn without change of place.) Item Outside