Whiteside Bearing 7/8 in. OD x 5/16 in. ID is a high-quality industrial bearing designed to match the equipment used on Whiteside’s bearing mounted router bits. This durable bearing can be used to replace worn-out bearings or to interchange with existing ones to automatically adjust cutting depths. It can also be added to bit shanks to convert bits into bearing-guided tools for template or pattern work. For proper installation when adding bearings to bit shanks, be sure to use the appropriate size lock collar, either LC14 or LC12. 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 performance and precision. Model Number: B5