# TIMKEN 21238-4381 Large Bore Seal The TIMKEN 21238-4381 Large Bore Seal is a high-performance sealing solution specifically designed to meet the demanding requirements of various automotive and industrial applications. Manufactured with precision and backed by Timken's extensive engineering expertise, this seal ensures optimal performance and durability in challenging environments.
Key Features • **Material Composition:** Constructed from NBR (Buna-N) nitrile rubber, offering excellent resistance to wear, heat, and oil. • **Design:** Features a single lip design with a garter spring, ensuring a reliable seal against contaminants and leakage. • **Temperature Range:** Operates effectively within a temperature range of -40°F to 250°F (-40°C to 121°C), making it suitable for diverse applications. • **Bore Size Compatibility:** Engineered for large bore applications, providing a secure fit and optimal performance in high-load scenarios. • **Durability:** Designed to withstand high pressures and dynamic movements, ensuring long-lasting reliability and efficiency.
Applications • **Automotive:** Ideal for use in engines, transmissions, and differential assemblies, where effective sealing is crucial for performance. • **Industrial Machinery:** Suitable for various industrial applications, including pumps, gearboxes, and motor housings. • **Compatibility:** Designed to fit a wide range of large bore configurations, making it a versatile choice for many machinery and equipment types. • **Environmental Suitability:** Performs well in harsh environments, protecting critical components from dirt, dust, and moisture.
Benefits • **Enhanced Reliability:** The robust design minimizes the risk of leakage, thereby prolonging the life of machinery and reducing downtime. • **Improved Efficiency:** Prevents the ingress of contaminants, maintaining the integrity and performance of the equipment. • **Cost-effective Solution:** Reduces maintenance costs through extended service in