The Freudenberg-NOK OR 9.475" 0.275" 90 HNBR H901B seal is designed for high-performance applications requiring durability and resistance to harsh environments. Made from high-quality HNBR material, this O-ring offers excellent resistance to heat, oil, and chemicals, making it ideal for various industrial uses. With a size of 9.475" in outer diameter and a cross-section of 0.275", it fits standard applications and complies with industry standards. This seal is perfect for hydraulic and pneumatic systems, ensuring reliable sealing under pressure. Its robust construction guarantees longevity and performance, making it a trusted choice for engineers and maintenance professionals.