Whiteside B3 Ball Bearing 1/2"OD, 3/16"ID

Whiteside B3 Ball Bearing 1/2"OD, 3/16"ID works wonderfully with a variety of materials, achieving great results at various speeds. Highlights: Our most common Ball Bearing for your various woodworking needs. Most router bits requiring ball bearings are supplied with a B3 bearing unless otherwise noted. Ball Bearings are used on a router bit to follow a template or the flat edge of your workpiece. The inside of the bearing has several metal balls that allow the bearing to freely roll without restraint.