Timken 21087-3558 is a hi-performance nitrile (NBR) single-lip oil seal with a garter spring, designed for standard industrial shaft sealing applications. This seal features a rubber-covered outer diameter for improved sealing and installation. It is suitable for use in gearboxes, pumps, and motors, offering reliable fluid retention with an operating temperature range of -40°F to +250°F.

TIMKEN 21087-3558 Seals The TIMKEN 21087-3558 is a high-performance seal designed to provide optimal protection and reliability in various automotive and industrial applications. Crafted from premium NBR (Buna-N) nitrile material, this single lip seal features a garter spring that enhances its sealing capability, ensuring long-lasting performance even in demanding environments. ## Key Features • **Material Composition:** Constructed from NBR (Buna-N) nitrile, offering excellent resistance to wear, oil, and temperature variations. • **Design:** Single lip design with a garter spring that maintains consistent pressure against the shaft for superior sealing. • **Size Specifications:** Designed for applications with shaft diameters up to 8 inches, ensuring compatibility with a wide range of systems. • **Temperature Range:** Operates effectively within a temperature range of -40°F to 250°F (-40°C to 121°C), suitable for various industrial conditions. • **Durability:** Engineered for high performance and longevity, reducing maintenance frequency and operational downtime. ## Applications • **Automotive Systems:** Ideal for use in engine components, transmission systems, and differential applications, providing reliable sealing under high pressure and temperature conditions. • **Industrial Machinery:** Suitable for heavy-duty machinery and equipment, ensuring protection against contaminants and fluid leakage in manufacturing processes. • **Oil and Gas Industry:** Effective in sealing applications within oil extraction and refining processes, where high durability and chemical resistance are crucial. ## Benefits • **Enhanced Reliability:** Offers superior protection against leakage and contamination, extending the lifespan of components and reducing repair costs. • **Improved Efficiency:** The high-performance design contributes to smoother operation and better overall efficiency of machinery and automotive systems. • **Cost-Effective:** Reduces maintenance and replacement frequency, leading to lower operating costs over time and increased productivity. --- *Product information compiled with AI assistance for reference purposes.*