The Freudenberg-NOK NB9027 NBR Oil Seal is designed with a 90mm outer diameter, providing effective sealing in various industrial and automotive applications. Constructed from high-quality Nitrile Butadiene Rubber (NBR), this oil seal offers excellent resistance to oils, heat, and wear. With a thickness of 1mm, it is ideal for applications requiring a compact seal. This product adheres to industry standards, ensuring reliability and performance in demanding conditions. The NB9027 is perfect for use in engines and machinery, offering enhanced durability and reduced leakage.