Raybestos 715021 Wheel Bearing and Hub Assembly - Front

Raybestos R-Line Wheel Bearing and Hub Assembly Overview

The Raybestos R-Line 715021 wheel bearing and hub assembly is engineered for reliable performance in Ford F-250 Super Duty and F-350 Super Duty trucks. Designed to meet precise specifications, this assembly ensures proper fitment and durability for heavy-duty applications.

• Steering knuckle flange bolt circle diameter: 6.690 inches
• Steering knuckle flange bolt diameter: 0.551 inches
• Steering knuckle flange bolt thread pitch: 0.079 inches
• Wheel hub pilot diameter: 3.330 inches
• Compatible with Ford F-250 Super Duty and F-350 Super Duty models

Raybestos R-Line Product Line Details

The Raybestos R-Line product line focuses on delivering dependable driveline and axle components designed to meet OEM specifications. This wheel bearing and hub assembly from the R-Line series provides a balance of quality and fitment accuracy, making it suitable for demanding Ford Super Duty truck applications.

Technical Description and Specifications

The 715021 wheel bearing and hub assembly features a steering knuckle flange bolt circle diameter of 6.690 inches, ensuring proper alignment with the vehicle’s steering knuckle. The bolt diameter measures 0.551 inches with a thread pitch of 0.079 inches, providing secure fastening and resistance to loosening under heavy loads. The wheel hub pilot diameter of 3.330 inches is designed to center the hub assembly accurately on the axle, reducing vibration and promoting even wear. These precise measurements contribute to the assembly’s compatibility with Ford F-250 Super Duty and F-350 Super Duty trucks, supporting their heavy-duty performance requirements.

Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Ford F-250 Super Duty and F-350 Super Duty
• Addresses wheel vibration and noise caused by bearing wear
• Resolves issues related to uneven tire wear due to hub misalignment
• Helps restore proper steering knuckle connection and wheel stability
• Prevents premature failure of driveline components by maintaining correct fitment

Installation Notes and Tips

Ensure the steering knuckle flange bolt circle diameter and bolt specifications match the vehicle’s requirements before installation. Proper torque settings should be applied to the 0.551-inch diameter bolts with a 0.079-inch thread pitch to maintain secure fastening. Verify the wheel hub pilot diameter of 3.330 inches aligns correctly with the axle hub to avoid vibration issues. It is recommended to inspect related components such as the steering knuckle and axle for wear or damage during installation.

Quality Assurance and Warranty

Raybestos R-Line wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.