NSK 40BWD06 Wheel Bearing - Front or Rear

Overview of NSK 40BWD06 Wheel Bearing

The NSK 40BWD06 wheel bearing is designed for reliable driveline performance in select Ford, Kia, Mazda, and Mercury vehicles. This first-generation wheel bearing features precise dimensions to ensure proper fit and function in models like the Ford Escort, Mazda Miata, and Kia Sephia.

• Inside diameter: 40 mm
• Outside diameter: 74 mm
• Width of outer race: 40 mm
• Not equipped with ABS sensor
• First generation design for specific vehicle compatibility

Technical Specifications and Compatibility

The NSK 40BWD06 wheel bearing is engineered with a 40 mm inside diameter and a 74 mm outside diameter, paired with a 40 mm width on the outer race. This precise sizing ensures a secure fit within the wheel hub assembly of compatible vehicles. It is not ABS equipped, making it suitable for models without ABS systems. This part is compatible with various vehicles including the Ford Escort and Tracer, Kia Sephia and Spectra, Mazda Miata and MX-3, as well as Mercury models such as the Cougar.

Applications and Problem Resolution

This wheel bearing is used to support the wheel hub and enable smooth rotation while maintaining proper alignment. It addresses common driveline issues such as:

• Excessive wheel play or looseness
• Unusual noise or grinding from the wheel area
• Vibration during driving
• Uneven tire wear caused by bearing failure
• Wheel hub instability affecting vehicle handling

Installation Notes and Tips

When installing the NSK 40BWD06 wheel bearing, ensure the hub assembly is clean and free of debris. Proper torque specifications should be followed to avoid premature wear. Since this bearing is not ABS equipped, verify the vehicle’s ABS system compatibility before installation. It is recommended to inspect related components such as seals and hubs during replacement to maintain optimal driveline performance.

Quality Assurance and Warranty

NSK manufactures the 40BWD06 wheel bearing to meet strict quality standards for durability and performance. While specific warranty details may vary, NSK typically offers coverage against manufacturing defects. Using genuine NSK parts helps maintain vehicle safety and driveline integrity.