# TIMKEN 21020-3996 Large Bore Seal The TIMKEN 21020-3996 Large Bore Seal is a high-performance sealing solution designed to provide exceptional protection in demanding industrial and automotive applications. Engineered from NBR (Buna-N) material, this nitrile single lip seal with a garter spring ensures a reliable barrier against contaminants while maintaining optimal lubrication retention.
Key Features • **Material Composition**: Constructed from high-quality NBR (Buna-N), offering excellent resistance to wear, abrasion, and chemical exposure. • **Design**: Features a single lip design with a garter spring that enhances sealing performance under varying pressure conditions. • **Temperature Range**: Capable of operating effectively within a temperature range of -40°F to 250°F (-40°C to 121°C), making it suitable for a wide range of environments. • **Bore Size Compatibility**: Specifically designed for large bore applications, ensuring a precise fit and effective sealing capability. • **Durability**: Built to withstand mechanical stress and maintain integrity in harsh conditions, prolonging the lifespan of the equipment it protects.
Applications • **Automotive Industry**: Ideal for use in vehicle drivetrains, engine components, and transmission systems where reliable sealing is critical. • **Industrial Machinery**: Suitable for heavy-duty applications in manufacturing and processing equipment, providing protection against dust and moisture ingress. • **Compatibility**: Works seamlessly with various shaft materials and configurations, enhancing versatility in installation.
Benefits • **Enhanced Reliability**: The robust design minimizes the risk of seal failure, ensuring consistent performance and reducing maintenance intervals. • **Efficiency Improvement**: Helps maintain proper lubrication levels, leading to improved operational efficiency and reduced wear on machinery. • **Cost-Effectiveness**: The durable construction and long service life contribute to