The Freudenberg-NOK Dichtomatik OR 4.350" 90 NBR seal is designed for high-performance sealing in various applications. Constructed from durable Nitrile Butadiene Rubber (NBR), it provides excellent resistance to oils and fuels, making it ideal for automotive and industrial uses. With a diameter of 4.350 inches and a thickness of 0.210 inches, this seal meets stringent quality standards for reliability. It is compatible with various systems requiring robust sealing solutions, ensuring optimal performance in demanding environments.