The AS568-257 SIMRIZ SZ501 is a high-performance sealing solution with an inner diameter of 5-7/8" and an outer diameter of 6-1/8". This oil seal is designed for durability and reliability in various industrial applications. Made from premium materials, it ensures excellent resistance to wear and tear, making it suitable for demanding environments. The 1/8" thickness provides optimal sealing performance, while its compliance with industry standards guarantees compatibility with a wide range of systems. Ideal for use in hydraulic and pneumatic applications, this seal is a trusted choice for professionals.