Timken HA590370 Wheel Bearing and Hub Assembly - Rear

Timken HA590370 Wheel Bearing and Hub Assembly Overview

The Timken HA590370 wheel bearing and hub assembly is engineered for reliable performance in select Lexus and Toyota vehicles. Designed as a non-driven hub, this assembly ensures precise fitment and durability for models like the Toyota Camry, Avalon, ES300, and Solara.

• Flange bolt hole quantity: 4 for secure mounting
• Wheel pilot diameter: 59.97 mm and 2.36 inches for accurate wheel alignment
• Brake pilot diameters: 2.438 inches and 61.93 mm for proper brake component fit
• Five wheel studs for stable wheel attachment
• Flange offset measurements: 2.941 mm and 74.69 mm to maintain correct wheel positioning
• Flange diameters: 151.9 mm and 5.98 inches for compatibility with OEM specifications
• Bolt circle diameters: 115 mm and 4.528 inches matching factory bolt patterns
• Non-driven design suitable for front or rear axle applications depending on vehicle

Technical Details and Compatibility

The Timken HA590370 is specifically designed to meet the exacting standards required for Lexus and Toyota vehicles including the Avalon, Camry, ES300, and Solara. Its precise flange and bolt circle diameters ensure a direct replacement without modification. The combination of wheel pilot diameters and brake pilot diameters supports proper alignment and brake rotor fitment, which is critical for maintaining vehicle safety and performance. The assembly includes five wheel studs and four flange bolt holes, providing a secure and stable connection to the vehicle’s hub.

Applications and Problem Resolution

This wheel bearing and hub assembly is used to replace worn or damaged hubs that can cause several issues, including:

• Excessive wheel play or looseness
• Unusual noises such as grinding or humming from the wheel area
• Uneven or rapid tire wear
• ABS sensor malfunctions related to hub assembly failure
• Vibration or wobbling during driving

Installation Notes and Tips

When installing the Timken HA590370, ensure the vehicle is securely lifted and supported. Remove the existing hub assembly carefully, noting the orientation of the flange and bolt holes. Clean the mounting surface to remove debris or corrosion before installing the new assembly. Torque all bolts to manufacturer specifications to avoid premature wear or failure. This assembly is designed for non-driven applications, so verify the correct axle position before installation.

Quality Assurance and Warranty

Timken is a recognized manufacturer of driveline components, known for precision engineering and durability. The HA590370 wheel bearing and hub assembly is manufactured to meet or exceed OEM standards. While specific warranty details may vary, Timken typically offers coverage against defects in materials and workmanship, providing confidence in the product’s reliability for Lexus and Toyota vehicles.