It is a genuine OEM replacement part and is sold individually. This Ball Bearing is sealed on both sides. Ball bearings are used to reduce friction between rotating parts. The balls or rollers take the load and spin, distributing the weight evenly while the minimal contact area of the ball reduces friction. This reduces wear on the tool a...Read morend 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.
This is a genuine Ryobi replacement part. The spring washer is designed by the manufacturer for use in power tools such as miter saws, routers, and planers. This part is made of metal, and may be found in various locations in the machine, depending on model. Please be aware that there are different washers used in the machine. Refer t...Read moreo the parts diagram to be sure of ordering the correct part. You may require a screwdriver when replacing this item. This part is sold individually.