Timken SP450300 Wheel Bearing and Hub Assembly - Front

Timken SP450300 Wheel Bearing and Hub Assembly Overview

The Timken SP450300 wheel bearing and hub assembly is engineered for reliable performance on Chevrolet Blazer 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: 2.762 inches (70.16 mm)
• Brake pilot diameter: 2.781 inches (70.63 mm)
• Wheel stud quantity: 5 for optimal wheel attachment
• Hub pilot diameter: 3.507 inches (89.08 mm)
• Flange offset: 1.859 inches (47.21 mm)
• Flange diameter: 5.764 inches (146.40 mm)
• Bolt circle diameter: 4.750 inches (120.65 mm)
• Drive type: Non-driven hub assembly

Detailed Product Description

The Timken SP450300 is a wheel bearing and hub assembly specifically designed for Chevrolet Blazer vehicles. This non-driven hub assembly features a 3-hole flange bolt pattern and five wheel studs, providing a secure and stable connection between the wheel and the vehicle’s axle. The precise wheel pilot diameter of 2.762 inches (70.16 mm) and brake pilot diameter of 2.781 inches (70.63 mm) ensure proper alignment with the brake components, reducing vibration and wear. The hub pilot diameter measures 3.507 inches (89.08 mm), supporting the hub’s fitment to the axle flange. With a flange offset of 1.859 inches (47.21 mm) and a flange diameter of 5.764 inches (146.40 mm), this assembly maintains correct wheel positioning and clearance. The bolt circle diameter of 4.750 inches (120.65 mm) matches the vehicle’s specifications for mounting the hub securely.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Chevrolet Blazer
• Eliminates wheel vibration caused by bearing wear or hub misalignment
• Resolves noise issues related to failing wheel bearings
• Restores proper wheel alignment and brake component fitment
• Prevents premature tire wear due to hub or bearing defects

Installation Notes and Tips

• Ensure compatibility with Chevrolet Blazer model year before installation
• Use proper torque specifications for flange bolts and wheel studs
• Inspect axle flange and surrounding components for wear or damage prior to installation
• Clean mounting surfaces to ensure proper fit and prevent contamination
• Verify wheel pilot and brake pilot diameters match vehicle specifications for optimal fit

Quality Assurance and Warranty

Timken manufactures the SP450300 wheel bearing and hub assembly to meet strict quality standards, ensuring durability and reliable performance. This part is backed by Timken’s limited warranty, covering defects in materials and workmanship under normal use. For specific warranty details, refer to Timken’s official documentation.