The 4.5 x 5.25 x 0.375 NBR Loaded Symmetrical U-Cup (SKU: 37504500-2093) from Freudenberg-NOK is engineered for optimal sealing in hydraulic and pneumatic systems. Made from high-quality NBR (Nitrile Butadiene Rubber), it provides excellent resistance to oils and fuels. The dimensions of 4.5 inches outer diameter, 5.25 inches inner diameter, and a 0.375-inch width ensure compatibility with standard applications. This U-Cup's symmetrical design promotes even pressure distribution, enhancing its lifespan and reliability. It meets industry standards for performance and durability.
