Looking to upgrade your existing rotating bearing or simply replace your old one? Well, this aluminum bearing is perfect for Lazy Susans, turntables or any other rotating shelf or surface. Available in both 7" and 10" widths, this bearing is constructed of light weight aluminum and turns quietly and smoothly with it ball-bearing design. The added centering piece allows this bearing to work with Kidney or D-Shaped Lazy Susans where you need the shelf to always pivot back to a center location.