Moog 512551 Wheel Bearing and Hub Assembly - Rear

Overview of Moog 512551 Wheel Bearing and Hub Assembly

The Moog 512551 wheel bearing and hub assembly is designed specifically for Mazda CX-5 models, providing reliable driveline performance. This assembly ensures proper wheel alignment and smooth rotation, essential for vehicle safety and handling.

• Compatible with Mazda CX-5
• 28 spline quantity for secure fitment
• 5 wheel studs and 4 flange bolt holes for stable mounting
• Wheel pilot diameter: 66.9 mm
• Brake pilot diameter: 68.0 mm
• Hub pilot diameter: 82.8 mm
• Flange diameter: 138.7 mm with 57.0 mm flange offset
• Bolt circle diameter: 114.1 mm
• Does not include anti-lock brake sensor

Technical Details and Specifications

The Moog 512551 wheel bearing and hub assembly features a 28-spline design that ensures a precise connection to the axle shaft, reducing play and vibration. The assembly includes five wheel studs and four flange bolt holes, providing a secure and stable attachment to the vehicle’s hub. The wheel pilot diameter of 66.9 mm and brake pilot diameter of 68.0 mm are engineered to match the Mazda CX-5’s specifications, ensuring proper fitment and brake rotor alignment. The hub pilot diameter of 82.8 mm supports the hub’s centering on the axle, while the flange diameter of 138.7 mm and flange offset of 57.0 mm maintain correct wheel positioning. The bolt circle diameter of 114.1 mm corresponds to the wheel mounting pattern, ensuring compatibility with factory wheels.

Applications and Problem Resolution

This wheel bearing and hub assembly is intended for use on Mazda CX-5 vehicles and addresses several common driveline and wheel-related issues:

• Eliminates wheel bearing noise and roughness
• Resolves wheel wobble or play during driving
• Corrects uneven tire wear caused by hub misalignment
• Restores proper wheel rotation and braking performance
• Prevents premature bearing failure due to wear or damage

Installation Notes and Tips

When installing the Moog 512551 wheel bearing and hub assembly on a Mazda CX-5, ensure the following:

• Verify the part number matches the vehicle’s OEM specifications
• Use proper torque settings for flange bolts and wheel studs
• Inspect the axle shaft splines for wear before installation
• Clean mounting surfaces to prevent contamination and ensure proper seating
• Check wheel alignment after installation to maintain handling performance

Quality Assurance and Warranty

Moog manufactures the 512551 wheel bearing and hub assembly to meet or exceed OEM standards for durability and performance. While this assembly does not include an anti-lock brake sensor, it is engineered for long service life under normal operating conditions. Moog typically offers a limited warranty on their wheel bearing and hub assemblies; please refer to the product documentation or Moog’s official resources for specific warranty details.