OSCILLATING SEALS In an oscillating Oring application, the shaft moves in an arc within the gland, and in contact with the ID of the seal Because there is a tendency for the shaft to twist, selflubricated Orings with a hardness of 80 to 90 durometer are most often employed Caution should be used, however, with graphitecontainingGeneral Engineering Menu ORings Suppliers Molded ORings Services ORings Design Guidelines, Specifications, Materials An Oring , also known as a packing , is a flexible gasket in the shape of a loop;Bearing rings for pistons;
Metric O Ring Groove Design Reference Guide