The Freudenberg-NOK AS568-220 SIMRIZ SZ481 is a high-performance sealing solution with a 1-3/8" inner diameter and a 1-5/8" outer diameter, featuring a thickness of 1/8". Made from advanced SIMRIZ material, this seal offers excellent resistance to chemicals and temperature variations, making it ideal for a variety of industrial applications. It meets stringent industry standards, ensuring reliability and performance. The precise dimensions guarantee a snug fit, enhancing the longevity and efficiency of your equipment.