Timken SP550104 Wheel Bearing and Hub Assembly - Front

Timken SP550104 Wheel Bearing and Hub Assembly Overview

The Timken SP550104 wheel bearing and hub assembly is engineered for reliable performance on Dodge Ram 1500, Ram 2500, and Ram 3500 models. Designed as a non-driven hub, this assembly ensures precise fitment and durability for your vehicle's driveline system.

• Flange bolt hole quantity: 3 for secure mounting
• Wheel pilot diameter: 121.03 mm (4.765 inches)
• Brake pilot diameter: 122.23 mm (4.812 inches)
• Wheel stud quantity: 8 for enhanced wheel attachment
• Hub pilot diameter: 99.30 mm (3.909 inches)
• Flange offset: 50.45 mm (1.986 inches)
• Flange diameter: 205.18 mm (8.078 inches)
• Bolt circle diameter: 164.67 mm (6.483 inches)
• Drive type: Non-driven hub assembly

Detailed Product Description

The Timken SP550104 is a wheel bearing and hub assembly specifically designed for non-driven applications on Dodge Ram 1500, Ram 2500, and Ram 3500 trucks. This assembly features an 8-stud wheel configuration and a 3-hole flange bolt pattern, providing a secure and stable connection to the vehicle’s axle. The precise wheel pilot diameter of 121.03 mm and brake pilot diameter of 122.23 mm ensure proper alignment with the brake components, reducing vibration and wear. The hub pilot diameter of 99.30 mm supports accurate hub centering, while the flange offset of 50.45 mm maintains correct wheel positioning relative to the suspension and steering geometry. The bolt circle diameter of 164.67 mm matches factory specifications for these Dodge Ram models, ensuring compatibility and ease of installation.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearings on Dodge Ram 1500, 2500, and 3500
• Eliminates wheel vibration caused by bearing wear or hub misalignment
• Addresses noise issues related to failing wheel bearing assemblies
• Restores proper wheel mounting and brake component alignment
• Prevents premature tire wear due to hub or bearing defects

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before installation
• Verify the flange bolt hole quantity and wheel stud count match your vehicle’s specifications
• Clean mounting surfaces thoroughly to prevent contamination and ensure proper fit
• Torque flange bolts and wheel studs to manufacturer specifications
• Inspect brake components for wear during installation to maintain optimal braking performance

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards for durability and performance. The SP550104 part number undergoes rigorous quality control to ensure precise dimensions and reliable operation. While specific warranty details may vary, Timken typically offers coverage against defects in materials and workmanship, providing confidence in the longevity of this component for your Dodge Ram 1500, 2500, and 3500 vehicles.