# TIMKEN 21339-3189 Large Bore Seal The TIMKEN 21339-3189 Large Bore Seal is a high-performance sealing solution designed to meet the demanding requirements of various industrial applications. Engineered with precision, this seal provides optimal protection against contaminants while maintaining the necessary sealing integrity for effective operation.
Key Features • **Material Composition**: Constructed from NBR (Buna-N) nitrile, ensuring excellent resistance to oils, fuels, and various chemicals, enhancing durability in harsh environments. • **Design**: Features a single lip design with a garter spring for improved sealing performance, effectively minimizing leakage and extending equipment life. • **Temperature Range**: Operates efficiently in a temperature range of -40°F to 250°F (-40°C to 121°C), making it suitable for various temperature-critical applications. • **Bore Size**: Designed for large bore applications, the seal accommodates significant shaft diameters, ensuring versatility across different industrial sectors. • **Ease of Installation**: Engineered for straightforward installation, ensuring reliable performance with minimal downtime during maintenance.
Applications • **Industrial Machinery**: Ideal for use in heavy machinery and equipment where dust, dirt, and other contaminants must be kept at bay. • **Automotive**: Suitable for various automotive sealing applications, enhancing the reliability of components under challenging conditions. • **Energy Sector**: Effective in energy applications, where proper sealing is critical for operational efficiency and safety. • **Compatibility**: The TIMKEN 21339-3189 is compatible with a range of existing systems, making it a versatile choice for upgrades or replacements.
Benefits • **Enhanced Reliability**: Provides superior sealing capabilities, reducing the risk of fluid leaks and prolonging the lifecycle of machinery. • **Cost Efficiency**: Minimizes maintenance costs and downtime associated with sea