30 x 42 x 09 U Cup Seal

Harwal 30 x 42 x 9mm U41 polyurethane U-cup seal with 30mm ID, 42mm OD, and 9mm 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.