National 511001 Wheel Bearing - Rear Inner

Overview of National 511001 Wheel Bearing for Toyota Previa

The National 511001 wheel bearing is engineered for reliable driveline performance in Toyota Previa models. Designed as a single row radial bearing, it ensures smooth wheel rotation and durability under various driving conditions.

• Single row radial design for consistent load handling
• Inner race bore diameter of 1.378 inches (35 mm)
• Outer race outside diameter of 3.150 inches (80 mm)
• Inner race width of 1.102 inches (28 mm)
• Outer race width of 0.827 inches (21 mm)
• Compatible specifically with Toyota Previa vehicles
• Part number 511001 for precise identification

Technical Specifications and Design Details

This National wheel bearing features a single row radial design, optimized for radial load support in the Toyota Previa. The inner race bore measures 1.378 inches (35 mm), matching the axle shaft diameter for a secure fit. The bearing’s outer race has an outside diameter of 3.150 inches (80 mm), providing a stable interface with the hub assembly. Both inner and outer races have a radius of 0.098 inches (2.5 mm), contributing to smooth rotation and reduced friction. The inner race width is 1.102 inches (28 mm), while the outer race width is 0.827 inches (21 mm), balancing strength and compactness. This bearing is classified under the Rwdb series and type E-3, indicating its design and performance characteristics.

Applications and Problem Resolution

The National 511001 wheel bearing is compatible with Toyota Previa models and is intended for use in the vehicle’s driveline and axle assembly. It addresses several common issues related to wheel bearings, including:

• Eliminating wheel noise caused by worn or damaged bearings
• Reducing wheel vibration and improving ride quality
• Preventing premature wear of axle components
• Maintaining proper wheel alignment and rotation
• Enhancing overall driveline reliability and safety

Installation Notes and Tips

When installing the National 511001 wheel bearing on a Toyota Previa, ensure the following:

• Clean the hub and axle shaft thoroughly before installation
• Verify the bearing orientation matches the vehicle specifications
• Use appropriate tools to press the bearing without causing damage
• Check for proper fitment of the inner race bore (1.378 inches) on the axle shaft
• Apply recommended lubrication to extend bearing life

Quality Assurance and Warranty Information

National wheel bearings are manufactured to meet industry standards for durability and performance. The 511001 bearing undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in product reliability for Toyota Previa owners.