Timken 21702-4651 is a high-performance, single-lip oil seal constructed with a nitrile (NBR) elastomer and a garter spring for consistent sealing pressure. This inch-series seal is designed for shaft sealing applications with bore sizes under 8 inches, offering reliable fluid retention in industrial environments. Its hi-performance design typically features a rubber-covered outer diameter for improved sealing in imperfect housings.

TIMKEN 21702-4651 Seals The TIMKEN 21702-4651 Seals are high-performance PTFE single lip seals designed to provide exceptional sealing capabilities in various automotive and industrial applications. Engineered for durability and reliability, these seals are ideal for environments where low friction and superior wear resistance are critical. ## Key Features • **Material Composition:** Constructed from premium-grade PTFE, offering excellent chemical compatibility and thermal stability up to 200°C (392°F). • **Design:** Features a single lip design with a garter spring that ensures a tight seal, preventing leakage and contamination of the lubricant. • **Performance Rating:** Designed for high-speed applications, with a maximum operating speed of up to 15 m/s, making them suitable for demanding operational conditions. • **Size Specifications:** Inner diameter of 20mm and outer diameter of 40mm, providing a versatile fit for various machinery and automotive components. • **Durability:** Engineered to withstand harsh operating environments, enhancing service life and reducing maintenance costs. ## Applications • **Automotive:** Perfectly suited for use in engines, transmissions, and differential applications where oil containment and dust protection are essential. • **Industrial Machinery:** Ideal for hydraulic systems, pumps, and gearboxes, ensuring optimal performance and longevity. • **Compatibility:** Fits a wide range of standard applications across various industries, contributing to streamlined maintenance and reduced downtime. ## Benefits • **Enhanced Reliability:** The robust construction and precision design minimize the risk of leakage, ensuring system integrity and performance. • **Reduced Friction:** The low-friction PTFE material significantly lowers wear on moving parts, enhancing overall efficiency and extending equipment life. • **Cost-Effective Solution:** By minimizing maintenance needs and downtime, these seals contribute to significant cost savings in operations. --- *Product information compiled with AI assistance for reference purposes.*