The 57X90X13B1N is a high-quality metric oil seal designed for reliable sealing in various industrial applications. Manufactured by Freudenberg-NOK, this oil seal measures 57.0 mm in inner diameter, 90.0 mm in outer diameter, and 13.0 mm in width. It is constructed from durable materials to withstand harsh conditions, ensuring longevity and performance. This oil seal is compliant with industry standards, making it suitable for a wide range of systems. Ideal for use in hydraulic and pneumatic applications, it provides excellent resistance to oil and other fluids.