27 Inch Four-Point Contact 678x922x100mm Ball Slewing Ring Bearing - No Gear Inner Diameter - 43mm KT404825 Needle Cages Bearing inner

KT404825 Needle Cages Bearing inner diameter is 40mm

One Needle Roller Bearing Shell Type BA812ZOH

Bearings has Si3N4 Ceramic Balls

20x52x15mm

27 Inch Four-Point Contact 678x922x100mm Ball Slewing Ring Bearing - No Gear Inner Diameter - 43mm KT404825 Needle Cages Bearing inner27 Inch Four Point Contact 678x922x100 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