Timken SP450200 Wheel Bearing and Hub Assembly - Front

Timken SP450200 Wheel Bearing and Hub Assembly Overview

The Timken SP450200 wheel bearing and hub assembly is engineered for reliable performance in Ford and Mercury vehicles, including the Explorer, Explorer Sport, Explorer Sport Trac, and Mountaineer models. Designed to meet precise specifications, this assembly ensures proper fitment and durability for your driveline system.

• 27 spline quantity for secure axle engagement
• 3 flange bolt holes for stable mounting
• 5 wheel studs for reliable wheel attachment
• Wheel pilot diameters of 2.774 inches and 70.46 mm for accurate wheel alignment
• Brake pilot diameters of 2.830 inches and 71.88 mm to support brake component fitment
• Hub pilot diameters of 3.940 inches and 100.08 mm for precise hub positioning
• Flange offset of 2.215 inches (56.26 mm) to maintain correct wheel offset
• Flange diameter of 5.925 inches (150.50 mm) for proper hub flange size
• Bolt circle diameter of 4.500 inches (114.30 mm) matching OEM specifications
• Designed for driven axle applications

Detailed Product Description

The Timken SP450200 wheel bearing and hub assembly is a critical component in the driveline and axle system, specifically designed for driven axles on select Ford and Mercury vehicles. This assembly features a 27-spline axle interface, ensuring a secure connection between the axle shaft and hub. The 3-flange bolt holes and 5 wheel studs provide a stable and secure mounting platform for the wheel, maintaining proper alignment and safety.

With precise wheel pilot diameters of 2.774 inches and 70.46 mm, and brake pilot diameters of 2.830 inches and 71.88 mm, this assembly supports accurate positioning of both the wheel and brake components. The hub pilot diameters of 3.940 inches and 100.08 mm ensure the hub seats correctly on the axle, reducing vibration and wear. The flange offset and diameter are engineered to maintain the correct wheel offset and fitment, critical for vehicle handling and tire wear.

Compatible Vehicles and Applications

This Timken SP450200 wheel bearing and hub assembly is compatible with the following vehicles:

• Ford Explorer
• Ford Explorer Sport
• Ford Explorer Sport Trac
• Mercury Mountaineer

Common Issues Addressed by This Assembly

• Eliminates wheel bearing noise caused by wear or damage
• Resolves wheel wobble or vibration due to hub misalignment
• Prevents premature tire wear from improper wheel offset
• Restores secure wheel mounting and brake component alignment
• Addresses axle spline wear affecting driveline performance

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before installation
• Verify spline count and pilot diameters match OEM specifications
• Use proper torque specifications for flange bolts and wheel studs
• Inspect related components such as axle shafts and brake rotors during installation
• Clean mounting surfaces to prevent contamination and ensure proper fit

Quality Assurance and Warranty

Timken manufactures the SP450200 wheel bearing and hub assembly to meet strict quality standards, ensuring durability and reliable performance. This part is backed by Timken's quality assurance processes. Please refer to Timken's official warranty policy for specific coverage details.