Timken 512230 Wheel Bearing and Hub Assembly - Rear

Timken Wheel Bearing and Hub Assembly Overview

The Timken 512230 wheel bearing and hub assembly is engineered for reliable driveline performance in select Chevrolet, Pontiac, and Saturn vehicles. Designed to meet precise specifications, this assembly ensures proper fit and function for models like the Chevrolet Equinox, Pontiac Torrent, and Saturn Vue.

• 33 spline quantity for accurate drivetrain engagement
• 4 flange bolt holes and 5 wheel studs for secure mounting
• Wheel pilot diameter of 2.760 inches (70.10 mm) for precise wheel alignment
• Brake pilot diameter of 2.780 inches (70.6 mm) to support brake component fitment
• Hub pilot diameter of 3.110 inches (79.00 mm) for stable hub positioning
• Driven type assembly designed for optimal power transfer
• Flange offset of 3.252 inches (82.60 mm) and flange diameter of 5.906 inches (150.00 mm) for proper wheel clearance
• Bolt circle diameter of 4.528 inches (115.00 mm) matching factory specifications

Technical Details and Specifications

The Timken 512230 wheel bearing and hub assembly is manufactured to exact OEM standards, ensuring compatibility with the Chevrolet Equinox, Pontiac Torrent, and Saturn Vue. The 33 spline count provides a secure connection to the drivetrain, while the 4 flange bolt holes and 5 wheel studs offer a robust mounting interface. The wheel pilot diameter of 2.760 inches (70.10 mm) and brake pilot diameter of 2.780 inches (70.6 mm) maintain proper alignment of wheels and brake components, reducing vibration and wear. The hub pilot diameter of 3.110 inches (79.00 mm) supports the hub's stability during operation. This driven-type assembly features a flange offset of 3.252 inches (82.60 mm) and a flange diameter of 5.906 inches (150.00 mm), designed to maintain correct wheel positioning and clearance. The bolt circle diameter of 4.528 inches (115.00 mm) matches factory specifications for a precise fit.

Applications and Problem Solving

• Replaces worn or damaged wheel bearing and hub assemblies on Chevrolet Equinox, Pontiac Torrent, and Saturn Vue
• Addresses wheel vibration and noise caused by bearing wear
• Corrects wheel alignment issues related to hub damage
• Restores proper brake component fitment and function
• Improves driveline performance by ensuring secure spline engagement

Installation Notes and Tips

Installation of the Timken 512230 wheel bearing and hub assembly requires proper tools and adherence to vehicle-specific torque specifications. Ensure the mating surfaces are clean and free of debris before installation. Verify spline alignment carefully to avoid damage during assembly. It is recommended to inspect related components such as axle shafts and brake parts during replacement. Professional installation is advised to maintain safety and performance standards.

Quality Assurance and Warranty

Timken manufactures the 512230 wheel bearing and hub assembly to meet stringent quality standards, ensuring durability and reliable performance. This part is backed by Timken's limited warranty against defects in materials and workmanship. For detailed warranty terms, refer to Timken's official documentation.