Polyurethane ring that is inserted into the bearing area of the drums compatible with Ref#913188. It is an O-ring that promotes the durability and resistance of the bearing area of the drums, facilitating their rotation and doing so at the appropriate speed. 

This ring for the drums is compatible with Ref#913200 and Ref#913198.

Its maintenance and cleaning is minimal, although it should be noted that it cannot be cleaned with acetone.