53 x 63 x 12 U Cup Seal

Harwal 53 x 63 x 12mm U43 polyurethane U-cup seal with 53mm ID, 63mm OD, and 12mm 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.