NSK 40BWD06 Wheel Bearing - Front or Rear

NSK 40BWD06 Wheel Bearing Overview

The NSK 40BWD06 wheel bearing is a vehicle-specific front or rear bearing solution for select Volkswagen, Audi, Mazda, Kia, Ford, and Mercury applications. Built with OE technology and sealed-for-life construction, it is designed for smooth rotation, low friction, and dependable service in demanding driveline and axle applications.

For drivers searching for a front wheel bearing for a 1999-2006 Volkswagen Golf, a rear wheel bearing for a 1990-1997 Mazda Miata, or a front wheel bearing for a 2000-2006 Audi TT, NSK 40BWD06 provides the correct fitment profile for the listed applications.

Key Features

• Premium OE technology with vehicle-specific fit, form, and performance
• Superfinished precision-matched bearing raceway for low-friction operation
• Advanced multi-lip seal design for resistance to water and contamination
• Sealed-for-life construction with premium all-weather grease
• ABS equipped: No
• Dimensions: 40 mm inside diameter, 74 mm outside diameter, 40 mm outer race width

Detailed Description

NSK is a global bearing manufacturer with OE-level experience supplying major automakers. The 40BWD06 wheel bearing is engineered for direct-fit service in applications such as Volkswagen Beetle, Volkswagen Jetta, Volkswagen Golf, Audi TT, Mazda Miata, Mazda Protege, Kia Sephia, and related front or rear positions listed in the fitment data. Its sealed design helps retain lubricant and reduce exposure to road debris, moisture, and contamination, while the precision raceway supports consistent wheel rotation and reduced operating friction. This part number, 40BWD06, is a practical choice when replacing a worn wheel bearing on compatible front or rear hubs.

What It Helps Address

• Wheel bearing noise such as humming, growling, or rumbling
• Excessive wheel play or looseness at the hub
• Rough wheel rotation caused by wear or contamination
• Seal failure that allows moisture or debris into the bearing assembly
• Uneven bearing performance in high-mileage driveline service

Installation Notes and Tips

Confirm the vehicle position before ordering, since fitment includes both front and rear applications depending on model. Verify the inside diameter, outside diameter, and width against the original bearing and hub specifications before installation. Clean the hub and surrounding components thoroughly, and inspect related axle and suspension parts for wear that could affect bearing life. Professional installation is recommended for proper press-fit handling and final torque procedures.

Quality Assurance

NSK manufactures advanced rolling bearing products and supplies OE-level components to major automotive manufacturers. The 40BWD06 reflects that manufacturing background with a sealed, low-maintenance design intended for consistent performance in the listed applications.