Freudenberg-NOK's 1.25 x 1.625 x 0.25 Loaded Symmetrical U-Cup, model N3101, is a robust sealing solution crafted from high-quality NBR material. With a hardness rating of 93 AU, this U-Cup is designed to withstand harsh operating conditions while providing reliable sealing performance. Its dimensions make it suitable for a variety of hydraulic applications, ensuring a tight seal that minimizes leakage. Ideal for use in machinery and automotive systems, this U-Cup is a dependable choice for maintaining system integrity.