The Freudenberg-NOK 1.375 x 1.875 x 0.375 NBR U-Cup (93 AU 2093) is a robust sealing solution ideal for hydraulic and pneumatic applications. Constructed from Nitrile Butadiene Rubber (NBR), it offers excellent resistance to various fluids, ensuring optimal performance. With an outer diameter of 1.375 inches, an inner diameter of 1.875 inches, and a width of 0.375 inches, this U-Cup is designed for easy installation and reliable sealing. It meets industry standards, making it a trusted choice for demanding environments.