21 Inch Four-Point Contact 528x732x80mm Ball Slewing Ring Bearing - No Gear Ball Diameter - 5 inch (5") Machined type needle roller bearing

Machined type needle roller bearing NKI17/20

6802ZZ Ball Bearings

Bearing No: FH210-50mmG

40mm x 85mm x 49

Y Travel = 8' Feet

21 Inch Four-Point Contact 528x732x80mm Ball Slewing Ring Bearing - No Gear Ball Diameter - 5 inch (5") Machined type needle roller bearing21 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