Timken 515020 Wheel Bearing and Hub Assembly - Front

Timken 515020 Wheel Bearing and Hub Assembly Overview

The Timken 515020 wheel bearing and hub assembly is engineered for reliable performance in Ford Excursion, F-250 Super Duty, and F-350 Super Duty vehicles. Designed to meet precise specifications, this driven hub assembly ensures proper fitment and durability for heavy-duty applications.

• 55 spline quantity for secure axle engagement
• 8 wheel studs for stable wheel mounting
• 4 flange bolt holes for secure attachment
• Wheel pilot diameter of 124.97 mm (4.920 inches)
• Brake pilot diameter of 129.01 mm (5.080 inches)
• Hub pilot diameter of 113.90 mm (4.484 inches)
• Flange diameter of 203.00 mm (7.992 inches)
• Bolt circle diameter of 170.00 mm (6.693 inches)
• Flange offset of 2.146 mm (54.50 inches)
• Designed for driven axle applications

Detailed Product Description

The Timken 515020 wheel bearing and hub assembly is specifically designed for driven axle use in select Ford trucks, including the Excursion, F-250 Super Duty, and F-350 Super Duty models. This assembly features a 55-spline axle interface, ensuring a precise and secure connection to the drivetrain. The 8-wheel stud configuration provides a robust mounting platform for wheels, while the 4 flange bolt holes allow for a stable and reliable attachment to the vehicle’s hub flange.

Critical dimensions such as the wheel pilot diameter (124.97 mm), brake pilot diameter (129.01 mm), and hub pilot diameter (113.90 mm) are engineered to exact tolerances to maintain proper alignment and reduce vibration. The flange diameter of 203.00 mm and bolt circle diameter of 170.00 mm support compatibility with factory wheel and brake components. The flange offset of 2.146 mm ensures correct positioning relative to the axle and suspension components.

Applications and Problem Solving

• Replacement for worn or damaged wheel bearing and hub assemblies on Ford Excursion, F-250 Super Duty, and F-350 Super Duty
• Resolves wheel vibration and noise caused by bearing wear
• Addresses wheel hub looseness or play affecting vehicle handling
• Prevents premature brake rotor wear due to improper hub alignment
• Restores proper wheel mounting and stud integrity for safe operation

Installation Notes and Tips

• Ensure compatibility with Ford Excursion, F-250 Super Duty, and F-350 Super Duty models before installation
• Use proper torque specifications for flange bolts and wheel studs to avoid damage
• Inspect axle splines and mating surfaces for wear prior to assembly
• Clean mounting surfaces thoroughly to ensure proper fit and sealing
• Verify wheel pilot and brake pilot diameters match vehicle components for correct alignment

Quality Assurance and Warranty

Timken manufactures the 515020 wheel bearing and hub assembly to meet stringent quality standards, ensuring durability and reliable performance under demanding conditions. While specific warranty details may vary, Timken products typically come with a limited warranty covering defects in materials and workmanship. Always consult the product documentation or Timken directly for exact warranty terms.