The Freudenberg-NOK AS568-270 SIMRIZ SZ501 is a high-quality oil seal with a 9" inner diameter and 9-1/4" outer diameter, featuring a thickness of 1/8". This seal is constructed from durable materials, ensuring long-lasting performance and resistance to wear. It meets industry standards, making it suitable for various applications, including hydraulic and pneumatic systems. The SZ501 provides reliable sealing capabilities, preventing leaks and maintaining system efficiency. Its robust design ensures longevity and optimal performance in demanding environments.