The toric rings are made from a rubber or elastomeric material and get their name from their torus shape.
These seals are comprised of two metal faces (which is why they are sometimes called floating face seals) and two flexible toric rings that forces those faces together so that they form a tight seal. Duo-cone seals (also known as mechanical face seals) are mechanical seals used to keep the oil within your final drive motor, as well as keep damaging contamination outside.
