The AS568-370 SIMRIZ SZ498 seal features an inner diameter of 8-1/4" and an outer diameter of 8-5/8", with a thickness of 3/16". This product from Freudenberg-NOK is crafted from high-quality SIMRIZ material, known for its excellent resistance to chemicals and high temperatures. It complies with industry standards, making it suitable for various applications, especially in hydraulic and pneumatic systems. The SZ498 ensures a reliable and effective seal, contributing to the longevity and efficiency of your equipment.