NSK 51KWH01 Wheel Bearing and Hub Assembly - Front

Reliable NSK Wheel Bearing and Hub Assembly for Accurate Fitment

The NSK 51KWH01 wheel bearing and hub assembly is engineered to provide precise fitment and dependable performance for vehicles requiring a 112mm bolt circle diameter mounting flange. Designed without ABS equipment compatibility, this assembly suits applications where ABS sensors are not present.

• Bolt circle diameter mounting flange: 112 mm
• Flange bolt hole quantity: 4
• Hub pilot diameter: 87 mm
• Inside diameter: 51 mm
• Width of outer race: 55 mm
• Generation: 2
• ABS equipped: No

Technical Details and Specifications

This NSK wheel bearing and hub assembly (part number 51KWH01) features a 112 mm bolt circle diameter with four mounting flange bolt holes, ensuring secure attachment to compatible driveline components. The hub pilot diameter of 87 mm and inside diameter of 51 mm are designed to match specific vehicle hub dimensions, providing a precise and stable fit. The outer race width of 55 mm contributes to the assembly's structural integrity and durability. As a second-generation component, this assembly incorporates design improvements for enhanced reliability in driveline and axle applications.

Applications and Problem Resolution

This wheel bearing and hub assembly is suitable for vehicles requiring a non-ABS equipped hub with the specified dimensions. It addresses common issues such as:

• Excessive wheel play or looseness
• Unusual noises from the wheel area during rotation
• Uneven tire wear caused by bearing failure
• Vibration or wobbling at certain speeds
• Hub flange damage or corrosion affecting wheel mounting

Installation Notes and Tips

When installing the NSK 51KWH01 wheel bearing and hub assembly, ensure the mounting flange bolt holes align precisely with the vehicle’s hub flange. Use proper torque specifications for the four flange bolts to avoid premature wear or loosening. Since this assembly is not ABS equipped, verify that the vehicle does not require ABS sensor integration at the hub. Clean the mounting surfaces thoroughly before installation to prevent contamination and ensure a secure fit.

Quality Assurance and Warranty Information

NSK manufactures this wheel bearing and hub assembly to meet stringent quality standards, ensuring durability and consistent performance. The part number 51KWH01 undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, NSK typically offers coverage against manufacturing defects, providing confidence in the product’s reliability for driveline and axle applications.