Timken SP550102 Wheel Bearing and Hub Assembly - Front

Timken Wheel Bearing and Hub Assembly for Dodge Ram 1500

The Timken SP550102 wheel bearing and hub assembly is engineered for reliable driveline performance on Dodge Ram 1500 trucks. Designed to meet precise specifications, this assembly ensures proper fitment and durability for your vehicle's driven axle.

• 33 spline quantity for accurate drivetrain engagement
• 3 flange bolt holes and 5 wheel studs for secure mounting
• Wheel pilot diameters of 3.057 inches (77.66 mm) and brake pilot diameters of 3.085 inches (78.37 mm)
• Hub pilot diameters measuring 3.910 inches (99.31 mm) for precise alignment
• Flange offset of 2.230 inches (56.64 mm) and flange diameter of 7.205 inches (183.00 mm)
• Bolt circle diameter of 5.500 inches (139.70 mm) matching factory specifications
• Designed specifically for driven axle applications

Detailed Product Description

The Timken SP550102 wheel bearing and hub assembly is built to exacting standards to fit Dodge Ram 1500 models requiring a driven axle component. With a spline count of 33, this assembly ensures proper torque transfer and drivetrain compatibility. The flange features 3 bolt holes and 5 wheel studs, providing a secure and stable connection to the wheel and brake components. The wheel pilot diameter of approximately 3.057 inches (77.66 mm) and brake pilot diameter of 3.085 inches (78.37 mm) help maintain precise centering of the wheel and brake rotor, reducing vibration and wear.

Hub pilot diameters of 3.910 inches (99.31 mm) ensure the assembly seats correctly on the axle hub, while the flange offset of 2.230 inches (56.64 mm) and flange diameter of 7.205 inches (183.00 mm) align with factory specifications for proper wheel positioning. The bolt circle diameter of 5.500 inches (139.70 mm) matches the Dodge Ram 1500’s wheel bolt pattern, ensuring compatibility and ease of installation.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Dodge Ram 1500
• Eliminates wheel vibration caused by bearing wear or hub misalignment
• Resolves noise issues such as humming or grinding from the front or rear driven axle
• Restores proper wheel alignment and brake rotor centering
• Prevents premature tire wear related to hub or bearing failure

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before beginning installation
• Verify spline count and bolt pattern match the existing assembly
• Clean mounting surfaces thoroughly to prevent contamination
• Torque flange bolts and wheel studs to manufacturer specifications
• Check for proper seating of the hub pilot diameters during installation

Quality Assurance and Warranty

Timken manufactures the SP550102 wheel bearing and hub assembly to meet or exceed OEM standards for durability and performance. Each unit undergoes rigorous quality control inspections to ensure reliability in demanding driving conditions. This part is backed by Timken’s limited warranty against defects in materials and workmanship, providing confidence in your replacement component.