Genuine Manufacturer Approved replacement part used on a variety of Power Tools. This Ball Bearing has multiple applications depending on your tool. This part is made out of Metal and it is Sold Individually. Ball Bearings are used to reduce friction between rotating parts. The balls or rollers take the load and spin, distributing the wei...Read moreght evenly while the minimal contact area of the ball reduces friction. This reduces wear on the tool and allows it to run smoothly. Bearings experience constant wear when the tool is in operation from pressure, heat, vibration and friction. Because of this, many Bearings need periodic maintenance or replacement. To replace this Bearing you would need a Screwdriver and a Set of Wrenches.
This is an OEM part sourced directly from the manufacturer. The chuck key is designed for use with Craftsman drills. This part is made of metal, and is a replacement for the tool that was originally included with the machine. It is used to tighten and loosen the chuck that holds the drill bit. This item is sold individually.