Whiteside B20 Ball Bearing 3/4"OD, 5/16"LD

Whiteside B20 Ball Bearing 3/4"OD, 5/16"LD works wonderfully with a variety of materials, achieving great results at various speeds. Highlights: 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.