1/2″ Square Ball Bearing x 3/16″ID – Whiteside B3SQ

If residue build-up on the bearing or marring of the workpiece is a problem, Euro Square Bearing replaces the standard 1/2″ bearing found on most of Whiteside’s Edge Form bits. Recommended for solid surface applications and laminate installation. Measures 1/2″ square or upgrade to the 3/4″ B8SQ square. Both parts have a standard 3/16″ inside diameter. How does it work? The square bearing stops spinning as soon as it touches the workpiece. Then, the side of the square simply slides along the workpiece edge. Compare this to a regular bearing that rolls along the edge- building up glue and residue with every revolution. Plus, the square is made from a non-stick material, so it wipes clean easily, and it won’t mark your workpiece.