The 49492784 is a reliable NBR (Nitrile) O-ring measuring 77.00mm x 5.00mm, manufactured by Freudenberg-NOK. This O-ring is designed for effective sealing in various applications, offering excellent resistance to oils, chemicals, and temperature fluctuations. Its durable construction ensures long-lasting performance, making it suitable for both static and dynamic sealing environments. The O-ring complies with industry standards, ensuring compatibility with a wide range of machinery. This product is crucial for preventing leaks and ensuring the efficient operation of hydraulic and pneumatic systems.