NSK 38BWD12 Wheel Bearing - Front

Reliable Wheel Bearing for Chevrolet, Geo, and Toyota Models

The NSK 38BWD12 wheel bearing is engineered to provide consistent performance for select Chevrolet, Geo, and Toyota vehicles. Designed without ABS compatibility, this first-generation bearing offers precise dimensions to ensure a proper fit and smooth operation.

• Inside diameter: 38 mm
• Outside diameter: 72 mm
• Inner race width: 36 mm
• Outer race width: 33 mm
• ABS equipped: No
• Generation: 1

Technical Specifications and Design Details

This NSK wheel bearing, part number 38BWD12, is tailored for models such as the Toyota Corolla and Geo Prizm, as well as certain Chevrolet vehicles. The bearing’s inside diameter of 38 mm and outside diameter of 72 mm ensure compatibility with the corresponding hub assemblies. The inner race width of 36 mm and outer race width of 33 mm provide the necessary support and durability for driveline applications. As a first-generation bearing without ABS features, it is suitable for vehicles that do not require wheel speed sensor integration.

Applications and Problem Resolution

This wheel bearing is used in the driveline and axle assembly to facilitate smooth wheel rotation and maintain proper alignment. It addresses common issues such as:

• Excessive wheel noise or grinding
• Vibration or wobbling during driving
• Uneven tire wear due to bearing failure
• Reduced steering responsiveness
• Potential wheel hub damage from worn bearings

Installation Notes and Tips

When installing the NSK 38BWD12 wheel bearing, ensure the hub and surrounding components are clean and free of debris. Proper torque specifications should be followed to avoid premature wear. Since this bearing is not ABS equipped, verify vehicle compatibility before installation. It is recommended to inspect related seals and replace them if necessary to maintain optimal performance.

Quality Assurance and Warranty

NSK manufactures this wheel bearing to meet industry standards for durability and precision. While specific warranty details may vary, NSK products typically come with a limited warranty covering defects in materials and workmanship. Using genuine NSK parts helps maintain vehicle safety and driveline integrity.