80mm Lazy Susan Aluminum Bearing for Glass Turntable80mm Lazy Susan Aluminum Bearing for Glass Turntable 80mm (3. 14" inch) Lazy Susan Aluminum Bearing for Glass Turntables, The Diameter is 80mm (3. 14" inch) and The height is 16mm (0. 63" inch), the shape is round. Aluminum core for smooth swiveling Two surfaces have bright silver luster Lazy Susan is turntable rotates 360 degrees in any direction 80mm Lazy Susan Bearing Lazy Susan Bearing Lazy Susan Outer Diameter: 80mm Lazy Susan Outer Diameter: 3.