The Freudenberg-NOK NBR O-Ring measures 20.20mm in diameter and 3.00mm in thickness, featuring a hardness rating of 70 Shore A. This O-Ring is made from high-quality Nitrile Butadiene Rubber (NBR), known for its excellent resistance to oils, fuels, and other chemicals, making it ideal for various industrial applications. It complies with industry standards, ensuring reliability and durability in sealing applications. Perfect for use in hydraulic systems, automotive components, and machinery, this O-Ring provides a secure seal to prevent leaks and maintain system integrity.