This ball bearing is assembled by the original manufacturer. It is used in a variety of Powermatic, Jet, and Wilton power tools. Ball bearings serve to protect moving parts from wearing each other down and from damage due to incorrect position/direction. This is a high-wear part and will need regular replacement. This part is sold individually.
This is a genuine OEM sourced replacement part that is specially designed for use with Powermatic, Jet and Wilton equipment. Washers are generally utilized to provide a tight seal between connected components, please make sure to check the appropriate diagrams of your model for the correct location and application of this hardware. Keep in mind this high-quality item is made of durable metal and is sold individually.