National Seals

National® Seals are high-quality, precision oil and grease seals manufactured by The Timken Company, to prevent lubricant escape and contamination ingress in rotating equipment like automotive and industrial machinery. Timken acquired the National® brand, integrating its trusted line of sealing products to offer a single-source solution for bearings and seals, supported by technical expertise and distribution. The company provides various sealing solutions, including specialty products and programs like Redi-Seals® and Redi-Sleeves™ for quick repairs, and uses innovative materials to ensure long life and high performance.