40 x 55 x 10 U Cup Seal

Harwal 40 x 55 x 10mm U43 polyurethane U-cup seal with 40mm ID, 55mm OD, and 10mm 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.