The OR 440,00 4,00 70 NBR NB7071 from Freudenberg-NOK is a high-quality O-ring made from NBR material, known for its excellent oil resistance and durability. Measuring 440mm in outer diameter and 4mm in cross-section, this O-ring is suitable for various applications requiring reliable sealing. Its robust construction ensures compatibility with a wide range of fluids and environments, making it ideal for industrial and automotive uses. The NB7071 designation indicates its specific formulation, optimized for performance under pressure and temperature variations. This O-ring meets industry standards, ensuring quality and reliability.