The 3.75" x 4.25" x 0.375" 93 AU 2093 / NBR N3101 Loaded Symmetrical U-Cup from Freudenberg-NOK is designed for effective sealing in hydraulic and pneumatic applications. This U-Cup features a robust NBR construction, providing excellent resistance to wear and tear, as well as compatibility with various fluids. With precise dimensions, it ensures a snug fit in the application, enhancing sealing performance. The symmetrical design allows for easy installation and maintenance, making it a reliable choice for industrial machinery and equipment.