Timken 512231 Wheel Bearing and Hub Assembly - Rear

Timken Wheel Bearing and Hub Assembly for Audi A4

The Timken 512231 wheel bearing and hub assembly is designed specifically for Audi A4 models, providing reliable performance and precise fitment. Engineered to meet OEM specifications, this non-driven hub assembly ensures smooth wheel rotation and proper alignment.

• Compatible with Audi A4 vehicles
• Non-driven wheel bearing and hub assembly
• 5 wheel studs for secure wheel mounting
• Wheel pilot diameter: 2.240 inches (56.90 mm)
• Brake pilot diameter: 2.680 inches (68.00 mm)
• Hub pilot diameter: 3.150 inches (80.00 mm)
• Flange offset: 1.910 inches (48.51 mm)
• Flange diameter: 5.150 inches (130.81 mm)
• Bolt circle diameter: 4.410 inches (112.00 mm)

Detailed Product Description

The Timken 512231 wheel bearing and hub assembly is engineered for precise compatibility with Audi A4 models, ensuring optimal wheel alignment and stability. Featuring a non-driven design, this assembly includes five wheel studs to securely mount the wheel. The wheel pilot diameter measures 2.240 inches (56.90 mm), while the brake pilot diameter is 2.680 inches (68.00 mm), providing accurate centering for brake components. The hub pilot diameter of 3.150 inches (80.00 mm) supports proper hub fitment, and the flange offset of 1.910 inches (48.51 mm) maintains correct wheel positioning relative to the suspension. The flange diameter is 5.150 inches (130.81 mm), and the bolt circle diameter is 4.410 inches (112.00 mm), matching factory specifications for secure installation.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Audi A4
• Eliminates wheel noise caused by bearing wear
• Resolves wheel vibration and wobble issues
• Restores proper brake rotor alignment and performance
• Prevents premature tire wear due to hub misalignment

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Remove the wheel and brake components to access the hub assembly. Clean the mounting surface thoroughly to prevent contamination. Use a torque wrench to tighten the wheel studs and hub bolts to manufacturer specifications. It is recommended to inspect related suspension and brake components during installation for wear or damage.

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards, ensuring durability and reliable performance. The 512231 part number undergoes rigorous quality control testing to maintain consistent fit and function. Warranty coverage details should be confirmed with the product documentation or supplier.