Timken 21087-4005 is a large bore, hi-performance oil seal with a nitrile (NBR) single lip and garter spring. This seal is designed for heavy-duty industrial applications requiring reliable shaft sealing in gearboxes, pumps, and large rotating equipment. It features a rubber-covered outer diameter for improved sealing and installation. The NBR material provides a standard operating temperature range of -40°F to +250°F.

TIMKEN 21087-4005 Large Bore Seal The TIMKEN 21087-4005 Large Bore Seal is engineered to provide superior sealing performance in demanding applications. Designed specifically for large bore environments, this seal ensures optimal protection against contaminants while maintaining efficient operation. With its advanced NBR (Buna-N) construction, this single lip seal is a reliable solution for various automotive and industrial applications.

Key Features

• Material Composition: Constructed from high-quality NBR (Buna-N) for enhanced durability and resistance to wear, heat, and oil exposure.
• Design: Features a single lip design with a garter spring, which provides consistent sealing force and adaptability to shaft variations.
• Temperature Range: Capable of operating in temperatures ranging from -40°F to 250°F (-40°C to 121°C), making it suitable for a wide variety of conditions.
• Size Specifications: Offers a large bore diameter, specifically designed to fit within demanding industrial and automotive applications.
• Performance Characteristics: Provides exceptional sealing capabilities that minimize leakage and protect against dirt, dust, and other contaminants.

Applications

• Automotive: Ideal for use in differentials, transmissions, and engine assemblies where large bore sealing is critical.
• Industrial: Suitable for various machinery and equipment in manufacturing, construction, and energy sectors.
• Compatibility: Designed to replace existing seals in a wide range of applications, ensuring seamless integration with industry-standard components.

Benefits

• Enhanced Reliability: The robust construction and precise design contribute to reduced maintenance needs and longer service life.
• Improved Efficiency: Minimizes leakage and contamination, ensuring optimal performance of machinery and engine components.
• Cost-Effective Solution: Reduces downtime and repair costs by providing a reliable sealing solution that extends the lifespan of equipment. --- Product information compiled with AI assistance for reference purposes.