NSK 54KWH01 Wheel Bearing and Hub Assembly - Front

Reliable Wheel Bearing and Hub Assembly for Lexus and Toyota Vehicles

The NSK 54KWH01 wheel bearing and hub assembly is designed specifically for select Lexus and Toyota models, including the 4Runner, FJ Cruiser, GX460, GX470, and Tacoma. This non-driven hub assembly features a magnetic encoder for ABS systems, ensuring precise wheel speed monitoring and enhanced safety.

Key Features of the NSK 54KWH01 Wheel Bearing and Hub Assembly

• ABS equipped with magnetic encoder for accurate wheel speed detection
• Bolt circle diameter of 132 mm with 4 flange bolt holes
• Flange bolt hole size/thread of 12.5 mm for secure mounting
• Flange offset of 34.5 mm and hub pilot diameter of 96 mm
• Inside diameter of 54 mm and outer race width of 50.9 mm
• Designed as a non-driven hub assembly compatible with specific Lexus and Toyota models
• Second generation design for improved durability and fitment

Detailed Description of the NSK 54KWH01 Hub Assembly

This wheel bearing and hub assembly from NSK is engineered to meet the exact specifications required by Lexus and Toyota vehicles such as the 4Runner, FJ Cruiser, GX460, GX470, and Tacoma. The inclusion of a magnetic encoder tone ring supports ABS functionality, providing reliable wheel speed data to the vehicle’s braking system. The 132 mm bolt circle diameter and 4-bolt flange configuration ensure a precise fit, while the 12.5 mm bolt hole size offers secure attachment. With a flange offset of 34.5 mm and a hub pilot diameter of 96 mm, this assembly maintains proper alignment and wheel positioning. The 54 mm inside diameter and 50.9 mm outer race width contribute to the overall strength and longevity of the component. As a non-driven hub, it is intended for use on the rear axle of applicable vehicles.

Common Applications and Issues Addressed

• Replacement for worn or damaged wheel bearing and hub assemblies on Lexus 4Runner and GX models
• Restores ABS functionality by providing accurate magnetic encoder signals
• Eliminates wheel noise and vibration caused by bearing wear
• Corrects wheel alignment issues related to hub flange offset
• Prevents premature tire wear due to hub assembly failure

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Use proper torque specifications for the 12.5 mm flange bolts to avoid damage
• Inspect ABS sensor and wiring during installation to confirm proper connection
• Clean mounting surfaces thoroughly to ensure a secure fit
• Verify hub pilot diameter alignment to prevent wheel imbalance

Quality Assurance and Warranty Information

NSK manufactures this wheel bearing and hub assembly to meet OEM standards for fit, form, and function. The 54KWH01 part number represents a second generation design, reflecting improvements in durability and performance. While specific warranty terms may vary, NSK products typically come with a limited warranty covering defects in materials and workmanship. Always consult the product documentation or supplier for detailed warranty information.