The Freudenberg-NOK NBR Oil Seal features a size of 3.10" with a hardness rating of 70, making it ideal for various industrial applications. Constructed from high-quality Nitrile Butadiene Rubber (NBR), this oil seal ensures excellent resistance to oil and other fluids, providing reliable sealing performance. Its robust design is compliant with industry standards, ensuring durability and longevity in demanding environments. This oil seal is suitable for use in hydraulic and pneumatic systems, offering a dependable solution for preventing leaks and maintaining system integrity.