Bower A4 Tapered Roller Bearing - Set L44649/L44610

The Bower A4 is a premium tapered roller bearing set consisting of a two-piece cup and cone assembly, designed for reliable performance in demanding automotive, trailer, and industrial applications. This bearing set includes the L44649 bearing cone and L44610 bearing cup, providing a complete replacement solution for wheel bearing assemblies.

Key Specifications:

• Inner Diameter: 1-1/16 inch (26.988mm)
• Outer Diameter: 1-63/64 inch (50.292mm)
• Width: 9/16 inch (14.732mm)
• Chrome Steel SAE-52100 construction
• Load capacity: 34,000 N (7,640 lbs)
• Maximum speed: 7,500 RPM

Features & Benefits:

• Case-carburized rolling elements for increased durability and extended service life
• Capable of supporting heavy loads in both axial and radial directions
• Ideal for high-speed environments with heavy loads where low friction is needed
• Separable design allows for independent installation of cone and cup components
• Precision manufactured for reliable performance and long service intervals

Common Applications:

• Wheel bearing assemblies for trailers, boats, and utility equipment
• Gearboxes, hoisting equipment, and rolling mills
• Automotive axle applications
• Marine trailer hubs
• Light-duty commercial and industrial machinery

Interchange Numbers: SET4, Set-4, S4, A-4, BR4. Also known as Delco S4 or National A-4 bearing set.

Bower bearings are manufactured by NTN, one of the largest manufacturers of precision roller bearings in North America, ensuring OE-quality construction and performance you can trust for critical bearing applications.