Timken HA590156K Wheel Bearing and Hub Assembly - Front

Timken HA590156K Wheel Bearing and Hub Assembly Overview

The Timken HA590156K wheel bearing and hub assembly is engineered for reliable driveline performance on select Saturn models. Designed to meet precise specifications, this assembly ensures proper fit and function for Saturn SC1, SC2, SL, SL1, SL2, SW1, and SW2 vehicles.

• 33 spline quantity for secure axle engagement
• Wheel pilot diameters of 2.24 inches (56.99 mm) for accurate wheel alignment
• Brake pilot diameters of 2.35 inches (59.74 mm) to support brake rotor positioning
• 4 wheel studs for stable wheel mounting
• Hub pilot diameter of 1.535 inches (39 mm) for precise hub fitment
• Driven type assembly designed for optimal power transfer
• Flange diameter of 137.92 mm (5.43 inches) and bolt circle diameter of 100 mm (3.937 inches) for compatibility with factory mounting points

Detailed Product Description

The Timken HA590156K is a wheel bearing and hub assembly specifically designed for Saturn vehicles including the SC1, SC2, SL, SL1, SL2, SW1, and SW2 models. This assembly features a 33-spline driven design that ensures a secure connection to the axle shaft, supporting smooth rotational movement and power delivery. The dual wheel pilot diameters of 2.24 inches (56.99 mm) and brake pilot diameters of 2.35 inches (59.74 mm) provide precise alignment for both the wheel and brake components, reducing vibration and wear. With four wheel studs and a hub pilot diameter of 1.535 inches (39 mm), this assembly maintains proper wheel positioning and stability under various driving conditions. The flange diameter and bolt circle diameter are engineered to match factory specifications, facilitating straightforward installation and reliable performance.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearings on Saturn SC1, SC2, SL, SL1, SL2, SW1, and SW2
• Eliminates wheel noise caused by bearing wear or hub damage
• Resolves wheel vibration and uneven tire wear due to hub misalignment
• Addresses ABS sensor issues related to faulty hub assemblies
• Restores proper wheel mounting and brake rotor alignment

Installation Notes and Tips

• Ensure vehicle compatibility with Saturn SC1, SC2, SL, SL1, SL2, SW1, or SW2 models before installation
• Use proper torque specifications for wheel studs and hub mounting bolts to avoid premature wear
• Inspect axle splines and surrounding components for damage prior to assembly
• Clean mounting surfaces thoroughly to ensure accurate fitment and prevent contamination
• Verify brake rotor and wheel alignment after installation to maintain optimal performance

Quality Assurance and Warranty

Timken manufactures the HA590156K wheel bearing and hub assembly to meet stringent quality standards, ensuring durability and reliable operation. While specific warranty details may vary, Timken products typically come with a limited warranty covering defects in materials and workmanship. Refer to Timken’s official documentation for exact warranty terms applicable to this part number.