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 replacement part sourced from the original manufacturer for use with woodworking power tools. The special ball bearing is commonly used to reduce friction between a rotating shaft and a fixed part assembly. This ball bearing is available as an individual replacement part, please see model diagram for associative parts.