Timken SP550308 Wheel Bearing and Hub Assembly - Front

Reliable Wheel Bearing and Hub Assembly for Chevrolet and GMC

The Timken SP550308 wheel bearing and hub assembly is designed to provide dependable performance for select Chevrolet and GMC vehicles. Engineered to meet OEM specifications, this part ensures smooth wheel rotation and vehicle stability.

• Compatible with Chevrolet Astro, K1500, and GMC Safari models
• Direct replacement for factory wheel bearing and hub assemblies
• Durable construction for long-lasting service life
• Includes pre-installed bearing for simplified installation
• Timken quality standards for precise fit and function

Product Details and Specifications

The Timken SP550308 is a wheel bearing and hub assembly designed specifically for driveline and axle applications on Chevrolet Astro, K1500, and GMC Safari vehicles. This assembly integrates the wheel bearing and hub into a single unit, reducing installation time and ensuring proper alignment. Manufactured to meet or exceed OEM requirements, it supports consistent wheel rotation and helps maintain vehicle handling and safety. The pre-installed bearing reduces the risk of contamination during installation and helps maintain optimal bearing preload.

Applications and Problem Resolution

This wheel bearing and hub assembly is used to replace worn or damaged components that affect wheel performance and safety. It addresses issues such as:

• Excessive wheel play or looseness
• Unusual noises coming from the wheel area
• Vibration or wobbling during driving
• ABS sensor malfunctions related to the hub assembly
• Uneven tire wear caused by faulty bearings

Installation Notes and Tips

Installation of the Timken SP550308 should be performed by a qualified technician using proper tools. It is important to follow vehicle-specific service procedures to ensure correct torque specifications and bearing preload. The pre-assembled design simplifies the process, but care should be taken to avoid contamination and damage during installation. Always inspect related components such as axle shafts and seals for wear or damage when replacing the hub assembly.

Quality Assurance and Warranty

Timken manufactures the SP550308 wheel bearing and hub assembly to meet stringent quality standards. Each unit undergoes rigorous testing to ensure durability and performance. While specific warranty terms may vary, Timken typically offers coverage against defects in materials and workmanship. Refer to Timken’s official documentation for detailed warranty information.