24 Inch Four-Point Contact 608x812x80mm Ball Slewing Ring Bearing - No Gear Bearings for Hobby the NKIA5911 inner diameter is

the NKIA5911 inner diameter is 55mm

110mm x 170mm x 45mm

and automated assemblies

KC070CP0 Slim type Bearing 7" ID x 7 3/4" OD x 3/8" Wide

24 Inch Four-Point Contact 608x812x80mm Ball Slewing Ring Bearing - No Gear Bearings for Hobby the NKIA5911 inner diameter is24 Inch Four Point Contact 608x812x80 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