This is a genuine OEM ball bearing. It is compatible with various Ryobi, Ridgid, and MK Diamond power tools including saws and trimmers. Ball bearings prevent damage to rotating parts by reducing friction and securing positioning. They are high wear components and commonly need replacement with regular use. Sold individually.
This genuine OEM sourced replacement ball bearing is a standard item which has multiple uses on a variety of power tools. Please check diagrams for proper application of this item. The bearing is specially designed to reduce friction between rotating parts. Over time it will wear out, at this point it should be replaced. This is a sealed metal bearing and it is sold individually.