Timken 25135-1530 is a large bore, single lip oil seal constructed from nitrile (NBR) rubber. This seal is designed for standard-duty applications on industrial equipment such as gearboxes, pumps, and conveyors, providing fluid retention for shafts under 8 inches in bore diameter. It operates within a temperature range of -40°F to +250°F.

Seals The TIMKEN 25135-1530 Large Bore Seal is engineered to provide exceptional sealing performance in demanding applications. Constructed from high-quality NBR (Buna-N) material, this single lip seal is designed to withstand extreme conditions, ensuring optimal protection for your machinery and equipment. ## Key Features • **Material Composition**: Made from durable Nitrile (NBR) rubber, offering excellent resistance to oil, grease, and other contaminants. • **Design**: Features a single lip design that effectively retains lubricants and prevents the ingress of dirt and moisture, enhancing longevity. • **Temperature Range**: Operates efficiently within a temperature range of -40°F to +250°F (-40°C to +121°C), making it suitable for various environments. • **Bore Size**: Designed for large bore applications, the seal dimensions ensure a snug fit for optimal sealing performance. • **Durability**: Engineered for high wear resistance, ensuring long-lasting functionality even in high-stress applications. ## Applications • **Automotive**: Ideal for use in automotive differentials, transmissions, and other rotating equipment where fluid retention is critical. • **Industrial Machinery**: Suitable for hydraulic cylinders, pumps, and other machinery requiring reliable sealing solutions. • **Compatibility**: Fits a wide range of large bore applications, making it a versatile choice for various industrial sectors. • **Environmental Suitability**: Designed to perform in harsh conditions, ensuring reliable operation in both indoor and outdoor applications. ## Benefits • **Enhanced Reliability**: Ensures consistent operation and minimizes downtime by effectively sealing against leaks and contamination. • **Cost-Effective Solution**: Reduces maintenance costs by prolonging the life of machinery components and decreasing the frequency of replacements. • **Performance Assurance**: Provides peace of mind with a product backed by Timken's reputation for quality and innovation in engineered solutions. --- *Product information compiled with AI assistance for reference purposes.*