Timken HA594245 Wheel Bearing and Hub Assembly - Rear

Timken Wheel Bearing and Hub Assembly Overview

The Timken HA594245 wheel bearing and hub assembly is engineered for reliable performance in select Toyota and Scion models. Designed as a non-driven hub, this assembly ensures proper fitment and durability for vehicles like the Toyota Echo, xA, and xB.

• Non-driven wheel bearing and hub assembly
• 4 flange bolt holes and 4 wheel studs for secure mounting
• Wheel pilot diameter of 2.126 inches (54.00 mm)
• Brake pilot diameter of 2.165 inches (55.00 mm)
• Hub pilot diameter of 2.638 inches (67.00 mm)
• Flange offset of 2.146 inches (54.50 mm)
• Flange diameter of 5.315 inches (135.00 mm)
• Bolt circle diameter of 3.937 inches (100.00 mm)

Detailed Product Description

The Timken HA594245 wheel bearing and hub assembly is specifically designed for non-driven applications on Scion and Toyota vehicles, including the Echo, xA, and xB models. This assembly features a 4-bolt flange and 4 wheel studs, providing a secure and stable connection to the vehicle’s suspension and wheel. The precise wheel pilot diameter of 2.126 inches (54.00 mm) and brake pilot diameter of 2.165 inches (55.00 mm) ensure proper alignment of the wheel and brake components. Additionally, the hub pilot diameter of 2.638 inches (67.00 mm) supports accurate hub centering, which is critical for smooth wheel rotation and minimizing vibration. The flange offset of 2.146 inches (54.50 mm) and flange diameter of 5.315 inches (135.00 mm) are engineered to match factory specifications, maintaining proper wheel positioning relative to the vehicle’s suspension geometry. The bolt circle diameter of 3.937 inches (100.00 mm) corresponds to the standard bolt pattern for these models, ensuring compatibility and ease of installation.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Toyota Echo, xA, and xB
• Eliminates wheel noise caused by bearing wear or failure
• Resolves wheel vibration and wobble issues
• Restores proper wheel alignment and brake rotor positioning
• Prevents premature tire wear due to hub misalignment

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before installation
• Verify the part number HA594245 matches the vehicle’s OEM specifications
• Clean mounting surfaces to remove rust and debris for proper fitment
• Torque flange bolts and wheel studs to manufacturer’s recommended specifications
• Check wheel bearing preload and adjust if necessary according to service manual

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards for durability and performance. The HA594245 part undergoes rigorous quality control testing to ensure reliable operation under normal driving conditions. While specific warranty details may vary, Timken typically offers coverage against defects in materials and workmanship, providing confidence in the product’s longevity and fitment for Toyota Echo, xA, and xB vehicles.