Whiteside Bearing 1/2 in. OD x 1/4 in. ID is a high-quality industrial bearing designed to match the equipment used on Whiteside’s bearing mounted router bits. This versatile bearing can be used to replace worn-out bearings, interchange with existing ones to automatically adjust cutting depths, or add to bit shanks to create bearing-guided bits for template or pattern work. For optimal performance, be sure to use the appropriate size lock collar, either LC14 or LC12, when adding bearings to bit shanks. Each bearing is sold individually, ensuring you get exactly what you need for your woodworking projects. Manufactured by Whiteside Machine Company in Claremont, North Carolina, this bearing reliable precision and durability. Model Number: B9