Timken 513087 Wheel Bearing and Hub Assembly - Front

Timken 513087 Wheel Bearing and Hub Assembly Overview

The Timken 513087 wheel bearing and hub assembly is engineered for reliable driveline performance in select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed to meet precise specifications, this assembly supports smooth wheel rotation and vehicle stability.

• 33 spline quantity for secure drivetrain engagement
• 3 flange bolt holes ensuring proper mounting
• 5 wheel studs for reliable wheel attachment
• Wheel pilot diameters of 2.760 inches (70.10 mm) for accurate wheel alignment
• Brake pilot diameters of 2.780 inches (70.60 mm) for precise brake component fitment
• Hub pilot diameters of 3.599 inches (91.42 mm) for stable hub positioning
• Driven type assembly designed for direct power transfer
• Flange offset of 1.661 inches (42.18 mm) and flange diameter of 5.728 inches (145.50 mm) for proper wheel clearance
• Bolt circle diameter of 4.528 inches (115.00 mm) matching OEM specifications

Detailed Product Description

The Timken 513087 wheel bearing and hub assembly is a critical component in the driveline and axle system, specifically designed for driven wheels. It features a 33-spline interface that ensures a secure connection to the axle shaft, supporting torque transfer and vehicle control. The assembly includes a flange with three bolt holes and five wheel studs, providing a robust mounting platform for wheels and brake components. The precise wheel and brake pilot diameters facilitate accurate alignment of wheels and brake rotors, reducing vibration and wear. The hub pilot diameter ensures the hub seats correctly on the axle, maintaining concentricity and balance. With a flange offset of 1.661 inches and a flange diameter of 5.728 inches, this assembly maintains proper wheel positioning relative to the suspension and brake system. The bolt circle diameter of 4.528 inches matches factory specifications for secure installation.

Compatible Vehicles and Applications

This Timken 513087 assembly is compatible with a range of GM vehicles, including Buick models like Century, LeSabre, and Regal; Cadillac models such as DeVille, Eldorado, Seville, and Fleetwood; Chevrolet models including Lumina APV and Commercial Chassis; Oldsmobile models like Cutlass Ciera and Cutlass Cruiser; and Pontiac models including Bonneville, Grand Prix, and Trans Sport. It is designed for driven wheels in 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 misalignment
• Prevents premature brake rotor wear by maintaining correct brake pilot alignment
• Restores secure wheel mounting to prevent lug nut loosening
• Improves driveline performance by ensuring proper spline engagement

Installation Notes and Tips

• Verify vehicle compatibility using make, model, and year before installation
• Ensure all mounting surfaces are clean and free of debris
• Torque flange bolts and wheel studs to manufacturer specifications
• Inspect axle splines for wear before assembly
• Use appropriate tools to avoid damage to bearing seals and hub components

Quality Assurance and Warranty

Timken manufactures the 513087 wheel bearing and hub assembly to meet stringent OEM standards for durability and performance. Each unit undergoes rigorous quality control to ensure proper fit and function. While specific warranty terms may vary, Timken typically offers coverage against defects in materials and workmanship, providing confidence in the product's reliability.