The Freudenberg-NOK AS568-441 SIMRIZ SZ134 seal features a 7" inner diameter and a 7 1/2" outer diameter with a thickness of 1/4". Made from high-quality SIMRIZ material, this seal offers exceptional resistance to a variety of chemicals and extreme temperatures, making it suitable for demanding industrial environments. It complies with AS568 standards, ensuring compatibility with numerous applications. The design is tailored for optimal sealing performance in both hydraulic and pneumatic systems, providing a reliable solution for engineers and maintenance teams seeking durability and efficiency.