Four (4) 4.5" Inch (120mm) Aluminum Lazy Susan Bearings - Turntable Bearing
Brand: BC Precision

Single-row bearing for supporting radial loads. Use rolling elements to maintain the separation between moving parts to reduce rotational friction and support radial and axial loads. Very easy to operate and constructed of aluminum for durability and resistance to corrosion. Total diamater:4.5", Thickness:3/4"

4.5" outside diameter
2.75" inside diameter
3/4" total height w/ rubber feet
.361" diamter w/o rubber feet