Timken 513018 Wheel Bearing and Hub Assembly - Rear

Timken 513018 Wheel Bearing and Hub Assembly Overview

The Timken 513018 wheel bearing and hub assembly is engineered for reliable performance in select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed as a non-driven hub, this assembly supports smooth wheel rotation and precise fitment for various models including the Bonneville, DeVille, and Grand Prix.

• Non-driven wheel bearing and hub assembly
• Flange bolt hole quantity: 4 for secure mounting
• Wheel pilot diameter: 2.760 inches (70.10 mm)
• Brake pilot diameter: 2.780 inches (70.60 mm)
• Hub pilot diameter: 2.827 inches (71.80 mm)
• Five wheel studs for reliable wheel attachment
• Flange offset: 2.565 inches (65.14 mm)
• Flange diameter: 5.925 inches (150.50 mm)
• Bolt circle diameter: 4.528 inches (115.00 mm)

Technical Details and Specifications

The Timken 513018 assembly features a flange with four bolt holes and five wheel studs, ensuring a secure and stable connection to the vehicle’s wheel hub. The precise wheel pilot diameter of 2.760 inches (70.10 mm) and brake pilot diameter of 2.780 inches (70.60 mm) provide accurate alignment for brake components and wheels. The hub pilot diameter measures 2.827 inches (71.80 mm), supporting proper hub centering. With a flange offset of 2.565 inches (65.14 mm) and a flange diameter of 5.925 inches (150.50 mm), this assembly is designed to maintain correct wheel positioning and balance. The bolt circle diameter of 4.528 inches (115.00 mm) matches OEM specifications for compatible vehicles.

Compatible Vehicles and Applications

This Timken wheel bearing and hub assembly 513018 is compatible with a range of GM vehicles, including Buick models like the Century and Regal, Cadillac models such as the DeVille and Eldorado, Chevrolet models including the Lumina and Celebrity, Oldsmobile models like the Cutlass Ciera and Delta 88, and Pontiac models including the Grand Prix and Bonneville. It is suitable for non-driven axle applications on these vehicles, ensuring proper fit and function.

Common Issues Addressed by This Assembly

• Eliminates wheel bearing noise caused by wear or damage
• Resolves wheel wobble or vibration due to hub failure
• Restores proper wheel alignment and brake component fitment
• Prevents premature tire wear from hub misalignment
• Ensures secure wheel mounting with correct stud and bolt hole configuration

Installation Notes and Tips

When installing the Timken 513018 wheel bearing and hub assembly, ensure the vehicle is properly supported and the wheel is removed safely. Verify the flange bolt hole quantity and wheel stud count match the vehicle’s specifications. Clean the mounting surface thoroughly before installation to prevent contamination. Torque all bolts to manufacturer specifications to maintain secure fitment and avoid premature wear. It is recommended to inspect related components such as brake rotors and calipers during installation.

Quality Assurance and Warranty

Timken manufactures the 513018 wheel bearing and hub assembly to meet or exceed OEM standards for durability and performance. Each unit undergoes rigorous quality control to ensure precise dimensions and reliable operation. While specific warranty details may vary, Timken typically offers coverage against defects in materials and workmanship, providing confidence in the product’s longevity and function.