Timken HA590302K Wheel Bearing and Hub Assembly - Front

Timken HA590302K Wheel Bearing and Hub Assembly Overview

The Timken HA590302K wheel bearing and hub assembly is engineered for reliable performance in Toyota vehicles, including the Avalon, Camry, and Solara models. Designed to meet OEM specifications, this assembly ensures proper fitment and durability for driven axles.

• 30 spline quantity for precise drivetrain engagement
• Wheel pilot diameter of 2.358 inches (59.9 mm) for accurate wheel alignment
• Brake pilot diameter of 2.433 inches (61.8 mm) to support brake rotor positioning
• 5 wheel studs for secure wheel mounting
• Driven axle design compatible with Toyota Avalon, Camry, and Solara
• Flange diameter of 5.472 inches (139 mm) with a bolt circle diameter of 4.5 inches (114.3 mm)

Detailed Product Description

The Timken HA590302K wheel bearing and hub assembly is a critical component in the driveline system, specifically designed for driven axles on select Toyota models such as the Avalon, Camry, and Solara. This assembly features a 30-spline interface that ensures a secure connection to the axle shaft, providing smooth power transfer and reducing drivetrain vibration. The wheel pilot diameter measures 2.358 inches (59.9 mm), which helps maintain proper wheel centering and alignment, while the brake pilot diameter of 2.433 inches (61.8 mm) supports accurate brake rotor placement for consistent braking performance.

Equipped with five wheel studs, this hub assembly offers a stable and secure mounting surface for the wheel, matching the OEM bolt circle diameter of 4.5 inches (114.3 mm) and flange diameter of 5.472 inches (139 mm). These precise dimensions ensure compatibility and ease of installation on the specified Toyota models.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearings causing noise or rough rotation
• Fixes wheel hub looseness or play affecting vehicle handling
• Resolves ABS sensor issues related to hub assembly wear (if applicable)
• Addresses uneven brake rotor wear due to improper hub alignment
• Eliminates vibration or wobble during driving caused by hub failure

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before beginning installation
• Verify the spline count and pilot diameters match the vehicle specifications
• Use proper torque specifications for wheel studs and hub mounting bolts
• Inspect related components such as axle shafts and brake rotors for wear during replacement
• Follow manufacturer guidelines for bearing lubrication and assembly procedures

Quality Assurance and Warranty

Timken manufactures the HA590302K wheel bearing and hub assembly to meet strict quality standards, ensuring durability and reliable performance. This part is engineered to OEM specifications for Toyota Avalon, Camry, and Solara models. While specific warranty details may vary, Timken typically offers coverage against defects in materials and workmanship. Consult the product documentation or Timken directly for exact warranty terms.