The Freudenberg-NOK NB7071 is a high-quality NBR (Nitrile Butadiene Rubber) oil seal designed for effective sealing in various applications. With dimensions of 2.50 inches in outer diameter and 1.50 inches in inner diameter, this oil seal is rated for 70 durometer hardness, ensuring durability and resistance to wear. It is ideal for use in hydraulic and pneumatic systems, providing excellent sealing performance under pressure. The material composition offers good resistance to oils, fuels, and other chemicals, making it suitable for automotive and industrial applications.