# TIMKEN 21238-4215 Large Bore Seal The TIMKEN 21238-4215 Large Bore Seal is a high-quality sealing solution designed to ensure optimal performance and longevity in a variety of automotive and industrial applications. Engineered for reliability, this seal plays a critical role in preventing contaminants from entering machinery and protecting internal components from wear and tear.
Key Features • **Material Composition**: Constructed from NBR (Nitrile Butadiene Rubber), known for its excellent resistance to oils, fuels, and other chemicals, ensuring durability in harsh environments. • **Design**: Features a single lip design with a garter spring, providing enhanced sealing capabilities and ensuring a secure fit against the housing. • **Temperature Range**: Operates effectively within a temperature range of -30°F to +250°F (-34°C to +121°C), making it suitable for various climatic conditions. • **Bore Size**: Specifically designed for large bore applications, ensuring compatibility with larger shaft sizes for industrial and automotive use. • **Standard Compliance**: Manufactured in accordance with industry standards for quality assurance, providing confidence in performance and reliability.
Applications • **Automotive Industry**: Ideal for use in engines, transmissions, and differential applications where reliable sealing is crucial to prevent fluid leakage and contamination. • **Industrial Machinery**: Suitable for heavy machinery and equipment operating in demanding environments, ensuring operational efficiency and longevity. • **Compatibility**: Designed to fit various large bore applications, making it versatile across different machinery types and brands. • **Environmental Adaptability**: Effective in both high-pressure and low-pressure environments, ensuring performance stability across diverse operational conditions.
Benefits • **Enhanced Protection**: The robust design provides superior protection against dirt, dust, and moisture, extending the life o