56 x 71 x 11.5 U Cup Seal

Harwal 56 x 71 x 11.5mm U45 polyurethane U-cup seal with 56mm ID, 71mm OD, and 11.5mm 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.