NSK 43BWD03 Wheel Bearing - Rear

Overview of NSK 43BWD03 Wheel Bearing for Lexus and Toyota

The NSK 43BWD03 wheel bearing is designed for select Lexus and Toyota models, including the Cressida, GS300, LS400, SC300, SC400, and Supra. This wheel bearing is a Generation 1 component, engineered to meet precise dimensional specifications for reliable driveline performance.

• Inside diameter: 43 mm
• Outside diameter: 80 mm
• Inner race width: 50 mm
• Outer race width: 45 mm
• Not equipped with ABS sensor

Technical Specifications and Design Details

The NSK 43BWD03 wheel bearing features a 43 mm inside diameter and an 80 mm outside diameter, ensuring a precise fit for the hub assembly on compatible Lexus and Toyota vehicles. The inner race width measures 50 mm, while the outer race width is 45 mm, providing balanced load distribution and durability. This part is not ABS equipped, making it suitable for models without ABS wheel speed sensors. As a Generation 1 bearing, it adheres to established engineering standards for driveline components.

Compatible Vehicles and Applications

This wheel bearing is compatible with the following Lexus and Toyota models:

• Lexus Cressida
• Lexus GS300
• Lexus LS400
• Lexus SC300
• Lexus SC400
• Toyota Supra

It is designed to replace worn or damaged wheel bearings in these vehicles, restoring smooth wheel rotation and maintaining proper alignment.

Common Issues Addressed by NSK 43BWD03 Wheel Bearing

• Excessive wheel play or looseness
• Unusual noise such as grinding or humming from the wheel area
• Vibration or wobbling during driving
• Uneven tire wear caused by bearing failure
• Reduced steering stability and control

Installation Notes and Tips

Proper installation of the NSK 43BWD03 wheel bearing requires attention to the specified dimensions to ensure a secure fit. It is recommended to inspect the hub and related components for wear or damage before installation. Use appropriate tools to press the bearing into place without causing damage to the races or seals. Since this bearing is not ABS equipped, verify compatibility with the vehicle’s braking system. Professional installation is advised to maintain vehicle safety and performance.

Quality Assurance and Warranty Information

NSK manufactures the 43BWD03 wheel bearing to meet stringent quality standards for durability and performance. While specific warranty details may vary, NSK typically offers coverage against manufacturing defects. Buyers should consult the product documentation or supplier for exact warranty terms. NSK’s reputation in the automotive industry supports the reliability of this wheel bearing for Lexus and Toyota driveline applications.