# TIMKEN 21086-4643 Seals The TIMKEN 21086-4643 is a high-performance sealing solution designed for various automotive and industrial applications. Engineered with precision, this NBR (Buna-N) / Nitrile single lip seal integrates a garter spring, ensuring optimal sealing performance and durability in demanding environments.
Key Features • **Material Composition**: Constructed from NBR (Buna-N), this seal offers excellent resistance to oils, fuels, and other environmental factors, enhancing longevity and performance. • **Garter Spring Design**: The integrated garter spring provides consistent lip pressure against the shaft, improving sealing efficiency and preventing leakage under dynamic conditions. • **Temperature Range**: Operates effectively in a temperature range of -40°F to 250°F (-40°C to 121°C), ensuring reliable performance in various operational environments. • **Dimension Specifications**: The TIMKEN 21086-4643 features precise dimensions tailored for compatibility with a variety of shafts, making it a versatile choice for different applications. • **High Performance**: Engineered to withstand high pressures and resist wear, this seal is suitable for heavy-duty applications requiring reliability and efficiency.
Applications • **Automotive Industry**: Ideal for use in engines, transmissions, and powertrains, where effective sealing is critical to performance and efficiency. • **Industrial Machinery**: Suitable for various types of machinery and equipment, including pumps, compressors, and hydraulic systems, where sealing integrity is essential. • **Compatibility**: Designed to fit a wide range of standard shaft sizes, making it an adaptable solution for different industrial and automotive applications. • **Environmental Suitability**: Functions well in both wet and dry environments, providing a versatile sealing solution for diverse operational needs.
Benefits • **Enhanced Reliability**: The robust construction and garter spring design ensure a sec