DW321 (Type 3) DeWALT Jig Saw - Parts

This is an OEM replacement part used on on a variety of electric power tools. This is a standard ball bearing which is has multiple applications based on your tool. Bearings are designed to reduce friction between two rotating parts. Since bearings experience constant wear from pressure, heat and friction, eventually they would need to be replaced. This is sealed metal bearing and it is sold individually.