Timken 8578-90191 is a matched two-row tapered roller bearing assembly, featuring cone 8578 paired with cup match code 90191. This heavy-duty assembly is designed for applications within the 12-18 inch outer diameter range, providing high radial and axial load capacity for industrial gearboxes, large shafts, and heavy machinery. The matched set ensures precise preload and runout control for reliable performance.

Taper Roller Bearing Full Assemblies The TIMKEN 8578-90191 Taper Roller Bearing Full Assembly is engineered for high-performance applications requiring robust reliability and precision. With its unique tapered design, this bearing assembly is ideal for handling both radial and axial loads, making it a versatile solution for various industrial and automotive applications. ## Key Features • **Precision Engineering**: Designed with advanced manufacturing techniques, ensuring high dimensional accuracy and a perfect fit for optimal performance. • **Tapered Design**: The 2-row assembly provides enhanced load distribution, allowing for increased load capacity and improved durability. • **Dimensions**: Features an outer diameter (OD) of 12-18 inches, making it suitable for a wide range of applications. • **Material Composition**: Constructed from high-quality steel for superior strength and resistance to wear, ensuring long service life. • **Enhanced Performance**: Designed to operate effectively under varying speeds and loads, contributing to smoother operation and reduced maintenance needs. ## Applications • **Automotive Industry**: Perfect for use in truck and trailer wheel hubs, where reliable load handling is critical. • **Industrial Machinery**: Suitable for heavy machinery and equipment in construction, mining, and manufacturing sectors, where durability and performance are paramount. • **Compatibility**: Designed to seamlessly integrate with existing systems, ensuring minimal downtime during installation and replacements. ## Benefits • **Increased Reliability**: Built to withstand harsh operating conditions, reducing the risk of failure and costly downtime. • **Enhanced Efficiency**: The tapered roller design minimizes friction, leading to better fuel economy and operational efficiency in automotive applications. • **Cost-Effective Solution**: Long-lasting performance and reduced maintenance requirements translate to lower total cost of ownership over time. --- *Product information compiled with AI assistance for reference purposes.*