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This Rev-A-Shelf 4B Series aluminum swivel bearing is the motion component for a full circle lazy susan, designed specifically for applications where unrestricted, continuous rotation is required.
A lazy susan bearing is the part that does the actual spinning. When a shelf wobbles, resists rotation, or no longer moves smoothly, the bearing is usually the source. This 7-inch unit replaces or completes the rotation assembly in a full circle lazy susan, restoring clean, even travel so the shelf set moves as it should. Because it has no stop, the shelf can rotate a full 360 degrees in either direction without interruption, which suits corner base cabinets where the door clearance and shelf layout do not call for a rotation limit. It is also the right part when building a new lazy susan from components rather than buying a complete unit.
The bearing is aluminum, which keeps the assembly light at the center of the shelf stack. Aluminum resists the gradual corrosion that can affect steel bearings in a kitchen environment where humidity cycles are common. The 4B Series is a Rev-A-Shelf staple in the lazy susan hardware line, so replacement parts and compatible accessories are easy to source within the same system.
Cabinet shops building lazy susan units from scratch use this bearing as the rotation component before shelves are mounted. Homeowners and installers replacing a worn or broken bearing on an existing full circle lazy susan reach for it when the shelf shape is round and continuous rotation is the goal. If the installation requires a stop to limit rotation, or if the shelf is kidney or D-shaped rather than full circle, a different bearing from the 4B Series fits that need instead.
A no-stop bearing like this one lets the shelf spin freely in a full 360-degree circle with no limit on rotation. A stop bearing restricts travel to a set arc, which is typically used when door clearance or shelf geometry requires it. This bearing is the no-stop version, so it suits full circle shelves in open-rotation applications.
No. This bearing is designed for full circle shelf configurations. Kidney and D-shaped shelves require a bearing with a stop to control the rotation arc. Rev-A-Shelf makes a 4BS Series bearing for those shapes.
Both. It works as a replacement when an existing bearing has worn out, and as the rotation component when assembling a new full circle lazy susan from parts.
Pack quantity is listed in the product specifications on this page.
Specify this aluminum, no-stop bearing when the job calls for a full circle lazy susan that rotates freely, whether it is a new build or a repair that needs the motion component replaced.
Sold In: 8 Each
