The 4.125 x 4.5 x 0.375 NBR Loaded Symmetrical U-Cup from Freudenberg-NOK is designed for reliable sealing in various industrial applications. Made from high-quality NBR (Nitrile Butadiene Rubber), this U-Cup offers excellent resistance to oils and fuels, ensuring durability and longevity. With a pressure rating suitable for demanding environments, it measures 93 AU 2093 and is ideal for hydraulic and pneumatic systems. The symmetrical design allows for easy installation and versatility in use, making it a preferred choice for engineers and maintenance professionals.