The Freudenberg-NOK 1.375 x 1.875 x 0.25 NBR U-Cup (93 AU 2093) is a reliable sealing component for hydraulic and pneumatic systems. Constructed from high-quality Nitrile Butadiene Rubber (NBR), it provides excellent resistance to various fluids, ensuring long-lasting performance. With an outer diameter of 1.375 inches, an inner diameter of 1.875 inches, and a width of 0.25 inches, this U-Cup is designed for easy installation and effective sealing. It complies with industry standards, making it a trusted choice for demanding applications.