TIMKEN 21238-4389 Large Bore Seal The TIMKEN 21238-4389 Large Bore Seal is a high-performance sealing solution designed to meet the rigorous demands of various industrial applications. Engineered with precision and reliability in mind, this seal is constructed from NBR (Nitrile Butadiene Rubber), commonly known as Buna-N, ensuring optimal performance even in challenging environments.
Key Features • Material Composition: Made from NBR (Buna-N) for excellent resistance to wear, abrasion, and various fluids, providing longevity and durability. • Design: Features a single lip design with a garter spring, which ensures a secure fit and enhances sealing effectiveness against contaminants and leakage. • Size Specifications: Large bore size designed to fit a wide range of applications, enabling compatibility with various industrial machinery and automotive setups. • Temperature Range: Capable of withstanding temperatures ranging from -40°F to +250°F, making it suitable for both high and low-temperature environments. • Application Versatility: Ideal for sealing applications in automotive, aerospace, and industrial machinery sectors, ensuring a broad scope of use.
Applications • Automotive Industry: Perfect for use in engines, transmissions, and differentials where reliable sealing is crucial to prevent fluid leakage. • Industrial Machinery: Suitable for various machinery applications that require effective sealing solutions to protect internal components from dirt, dust, and moisture. • Aerospace Applications: Compliant with stringent industry standards, making it ideal for aerospace systems that demand high reliability and performance.
Benefits • Enhanced Durability: The NBR material provides superior resistance to oil, grease, and other chemicals, ensuring a longer service life. • Leak Prevention: The innovative design with a garter spring enhances the sealing efficiency, significantly reducing the risk of leaks and mainta