Whiteside Bearing 13/16 in. OD x 3/16 in. ID is a high-quality industrial bearing designed for precision and durability. These bearings are the same as those ly equipped on Whiteside's bearing-mounted router bits, making them an i for worn-out bearings. They can also be used to interchange with existing bearings to automatically adjust cutting depths or added to bit shanks to convert bits into bearing-guided tools for template or pattern work. When adding bearings to bit shanks, it is important to use the appropriate size lock collar, either LC14 or LC12, to ensure proper fit and function. Each bearing is sold individually, providing flexibility for your specific project needs. Manufactured by Whiteside Machine Company in Claremont, North Carolina, this bearing reliable performance for woodworking applications. Model Number: B15