Whiteside B1 Ball Bearing 3/8"OD, 1/8"ID

Whiteside B1 Ball Bearing 3/8"OD, 1/8"ID 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.