Timken HA590173 Wheel Bearing and Hub Assembly - Rear

Timken HA590173 Wheel Bearing and Hub Assembly Overview

The Timken HA590173 wheel bearing and hub assembly is engineered for reliable performance in select Lexus, Scion, and Toyota vehicles. Designed as a non-driven hub, this assembly ensures precise fitment and durability for models like the Toyota RAV4, Lexus NX300, and Scion tC.

• Non-driven wheel bearing and hub assembly
• Flange bolt hole quantity: 4 for secure mounting
• Wheel pilot diameter: 2.363 inches (60.03 mm)
• Brake pilot diameter: 2.442 inches (62.02 mm)
• Hub pilot diameter: 2.987 inches (75.87 mm)
• Wheel stud quantity: 5 for compatibility with factory wheels
• Flange offset: 2.361 inches (59.96 mm)
• Flange diameter: 5.980 inches (151.90 mm)
• Bolt circle diameter: 4.457 inches (113.20 mm)

Technical Details and Specifications

The Timken HA590173 assembly features a precise flange bolt hole count of four, ensuring a secure and stable connection to the vehicle’s suspension components. The wheel pilot diameter measures 2.363 inches (60.03 mm), while the brake pilot diameter is slightly larger at 2.442 inches (62.02 mm), providing proper alignment for brake components. The hub pilot diameter of 2.987 inches (75.87 mm) supports the hub’s fitment to the axle flange. This assembly includes five wheel studs, matching the factory specifications for compatible Lexus, Scion, and Toyota models. The flange offset and diameter are engineered to maintain correct wheel positioning and clearance, with a flange offset of 2.361 inches (59.96 mm) and a flange diameter of 5.980 inches (151.90 mm). The bolt circle diameter of 4.457 inches (113.20 mm) aligns with OEM standards for these vehicles.

Compatible Vehicles and Applications

This Timken wheel bearing and hub assembly is compatible with a range of Lexus, Scion, and Toyota models, including:

• Lexus NX200t, NX300, NX300h
• Scion tC, Corolla iM
• Toyota RAV4, HS250h, iM

Part number HA590173 is designed specifically for these vehicles, ensuring proper fitment and function in non-driven wheel positions.

Common Issues Addressed by This Assembly

• Eliminates wheel bearing noise and vibration
• Resolves wheel hub looseness or play
• Prevents uneven tire wear caused by faulty hubs
• Restores proper brake rotor alignment
• Improves wheel stability and handling

Installation Notes and Tips

When installing the Timken HA590173 wheel bearing and hub assembly, ensure the following:

• Verify compatibility with your vehicle’s make and model before installation
• Use proper torque specifications for flange bolts and wheel studs
• Inspect related suspension and brake components for wear or damage
• Clean mounting surfaces to ensure a secure fit
• Follow manufacturer guidelines for wheel bearing preload and adjustment if applicable

Quality Assurance and Warranty

Timken is a recognized manufacturer of driveline and axle components, known for meeting industry standards for durability and performance. The HA590173 wheel bearing and hub assembly is manufactured to precise specifications to ensure reliable operation. Warranty coverage details should be confirmed with the point of purchase or Timken directly, as coverage may vary by region and application.