Timken 513124 Wheel Bearing and Hub Assembly - Front

Timken 513124 Wheel Bearing and Hub Assembly Overview

The Timken 513124 wheel bearing and hub assembly is engineered for reliable driveline performance in select Chevrolet, GMC, Isuzu, and Oldsmobile vehicles. Designed specifically for models like the Blazer, Bravada, Hombre, Jimmy, S10, and Sonoma, this assembly ensures precise fitment and durability.

• 27 spline quantity for secure drivetrain engagement
• 3 flange bolt holes with a 120.65 mm (4.750 inch) bolt circle diameter
• 5 wheel studs for stable wheel mounting
• Wheel pilot diameters of 2.760 inches (70.10 mm) and brake pilot diameters of 2.780 inches (70.60 mm)
• Hub pilot diameters measuring 3.621 inches (91.98 mm) for accurate hub alignment
• Driven type assembly with a flange offset of 1.850 inches (47.00 mm) and flange diameter of 5.689 inches (144.50 mm)

Technical Details and Specifications

The Timken 513124 assembly features a 27-spline driven design, ensuring compatibility with the specified driveline components of Chevrolet Blazer, GMC Jimmy, and related models. The flange bolt hole quantity of three, combined with a 120.65 mm bolt circle diameter, provides a secure mounting interface. The assembly includes five wheel studs, supporting proper wheel attachment and load distribution.

Wheel pilot diameters of 2.760 inches (70.10 mm) and brake pilot diameters of 2.780 inches (70.60 mm) facilitate precise centering of the wheel and brake components. The hub pilot diameter of 3.621 inches (91.98 mm) ensures correct hub positioning, reducing vibration and improving overall driveline stability. The flange offset of 1.850 inches (47.00 mm) and flange diameter of 5.689 inches (144.50 mm) are designed to match factory specifications for the listed vehicle models.

Compatible Vehicles and Applications

This wheel bearing and hub assembly is compatible with the following makes and models:

• Chevrolet Blazer, S10, Jimmy
• GMC Bravada, Sonoma
• Isuzu Hombre
• Oldsmobile models compatible with the specified dimensions

Use this assembly to replace worn or damaged wheel bearings and hubs in these vehicles, restoring proper wheel alignment and driveline function.

Common Issues Addressed by Timken 513124

• Eliminates wheel bearing noise and roughness
• Resolves wheel wobble and vibration issues
• Corrects uneven tire wear caused by hub misalignment
• Restores proper flange and bolt circle engagement
• Prevents premature drivetrain component wear

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Verify that the spline count and flange bolt hole quantity match the existing assembly. Clean mounting surfaces thoroughly to prevent contamination. Torque all bolts to manufacturer specifications to maintain proper flange offset and hub alignment. It is recommended to inspect related driveline 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 for durability and performance. The 513124 part number undergoes rigorous quality control to ensure precise fitment and long service life. Timken typically offers a limited warranty covering defects in materials and workmanship; please refer to Timken's official warranty documentation for specific terms.