Timken HA590077 Wheel Bearing and Hub Assembly - Front

Timken HA590077 Wheel Bearing and Hub Assembly Overview

The Timken HA590077 wheel bearing and hub assembly is engineered for reliable performance in select Cadillac models. Designed specifically for the Cadillac CTS, SRX, and STS, this non-driven hub assembly ensures precise fitment and durability for your vehicle's driveline system.

• Flange bolt hole quantity: 3
• Wheel pilot diameter: 2.760 inches (70.10 mm)
• Brake pilot diameter: 2.780 inches (70.6 mm)
• Wheel stud quantity: 6
• Hub pilot diameter: 3.599 inches (91.42 mm)
• Flange offset: 1.656 inches (42.06 mm)
• Flange diameter: 5.728 inches (145.50 mm)
• Bolt circle diameter: 4.528 inches (115.00 mm)
• Drive type: Non-driven

Detailed Product Description

The Timken HA590077 wheel bearing and hub assembly is designed to meet the exact specifications required for Cadillac CTS, SRX, and STS models. Featuring a flange with three bolt holes and six wheel studs, this assembly provides a secure mounting surface for the wheel. The precise wheel pilot diameter of 2.760 inches (70.10 mm) and brake pilot diameter of 2.780 inches (70.6 mm) ensure proper alignment with the brake components, reducing vibration and improving braking performance. The hub pilot diameter of 3.599 inches (91.42 mm) supports the hub's centering on the axle, while the flange offset of 1.656 inches (42.06 mm) maintains correct wheel positioning relative to the suspension. This non-driven hub assembly is engineered for vehicles where the hub is not connected to the drive axle, making it suitable for the rear wheels on certain Cadillac models.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Cadillac CTS, SRX, and STS
• Eliminates wheel noise caused by bearing wear
• Resolves wheel vibration and uneven tire wear issues
• Restores proper wheel alignment and brake rotor positioning
• Prevents hub assembly looseness and improves vehicle handling

Installation Notes and Tips

• Ensure compatibility with your specific Cadillac model and year before installation
• Use proper torque specifications for flange bolts and wheel studs to avoid premature wear
• Inspect related components such as brake rotors and suspension parts during installation
• Clean mounting surfaces thoroughly to ensure proper fit and prevent contamination
• Professional installation is recommended for optimal safety and performance

Quality Assurance and Warranty

Timken is a recognized manufacturer of driveline components, known for precision engineering and durability. The HA590077 wheel bearing and hub assembly undergoes rigorous quality control to meet OEM standards. While specific warranty details may vary, Timken products typically include coverage against defects in materials and workmanship. Refer to Timken’s official warranty documentation for exact terms.