Timken 515001 Wheel Bearing and Hub Assembly - Front

Timken Wheel Bearing and Hub Assembly Overview

The Timken 515001 wheel bearing and hub assembly is engineered for reliable driveline performance in select Chevrolet and GMC trucks and SUVs. Designed to meet OEM specifications, this assembly supports smooth wheel rotation and vehicle stability for models like the Chevrolet Blazer and GMC Yukon.

• 33 spline quantity for precise drivetrain engagement
• 6 wheel studs ensuring secure wheel mounting
• 3 flange bolt holes for robust attachment
• Flange diameter of 181.76 mm (7.156 inches) for proper fitment
• Flange offset of 56.74 mm (2.234 inches) to maintain correct wheel positioning
• Wheel pilot diameter of 77.60 mm (3.055 inches) and brake pilot diameter of 78.11 mm (3.075 inches) for accurate alignment
• Bolt circle diameter of 139.70 mm (5.500 inches) matching OEM bolt patterns
• Hub pilot diameter of 99.31 mm (3.910 inches) for secure hub seating
• Designed for driven axle applications

Detailed Product Description

The Timken 515001 wheel bearing and hub assembly is a critical component in the driveline and axles category, specifically designed for driven axles on Chevrolet and GMC vehicles including the Blazer, K1500, K1500 Suburban, K2500, K2500 Suburban, V20 Suburban, V2500 Suburban, and Yukon. This assembly features a 33-spline interface that ensures proper torque transfer and drivetrain compatibility. The 6 wheel studs provide a secure mounting surface for wheels, while the 3 flange bolt holes and 139.70 mm bolt circle diameter align with factory specifications for a precise fit. The flange offset and diameter maintain correct wheel positioning, which is essential for vehicle handling and brake system alignment. The wheel and brake pilot diameters are engineered to ensure proper centering of the wheel and brake components, reducing vibration and wear. The hub pilot diameter supports the hub's seating on the axle, contributing to overall assembly stability.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearings causing noise or rough rotation
• Fixing wheel hub assemblies with excessive play or looseness
• Resolving vibration issues related to misaligned wheel hubs
• Addressing brake rotor misalignment due to hub pilot wear
• Restoring proper wheel mounting and torque transfer on driven axles

Installation Notes and Tips

• Ensure compatibility with Chevrolet and GMC models listed before installation
• Use proper torque specifications for flange bolts and wheel studs to avoid premature wear
• Inspect axle splines and clean mating surfaces prior to assembly
• Verify correct flange offset and pilot diameters to maintain factory alignment
• Professional installation is recommended to ensure safety and performance

Quality Assurance and Warranty

Timken manufactures the 515001 wheel bearing and hub assembly to meet stringent quality standards, ensuring durability and reliable performance under normal operating conditions. This part is backed by Timken's standard warranty coverage, which protects against defects in materials and workmanship. For specific warranty details, refer to Timken's official documentation or contact authorized distributors.