20-7 Delta - Overview

This Ball Bearing is sealed on both sides. This genuine Delta replacement part is sold individually. rnrn • Ball bearings minimize friction between rotating parts in your tool. The balls or rollers bear the load and spin, distributing the weight evenly, while the minimal contact area of the balls reduces friction. This reduces wear on ...Read morethe tool, allowing it to run smoothly. rn • 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.

This is a genuine OEM replacement part designed for use with a variety of power tools. It is made out of metal and it is sold individually. It is a standard hardware which has multiple applications based on your tool. You would need a wrench to tighten/loosen this nut.