56 x 66 x 6.7 U Cup Seal

Harwal 56 x 66 x 6.7mm U41 polyurethane U-cup seal with 56mm ID, 66mm OD, and 6.7mm width. Made from 90 Shore A polyurethane for reciprocating hydraulic and pneumatic cylinders. Flexible U-shaped lips provide dependable pressure sealing and resist wear, extrusion, oils, and common industrial fluids.