National 510080 Wheel Bearing - Front or Rear

Overview of National 510080 Wheel Bearing for BMW Models

The National 510080 wheel bearing is engineered for precise fitment and reliable performance in various BMW vehicles. Designed with a double row angular contact design, this wheel bearing supports smooth rotation and durability for models including the BMW 325i, 330i, 740i, M3, X3, and Z4.

• Double row angular contact design for enhanced load capacity
• Inner race bore diameter of 1.772 inches (45 mm)
• Outer race outside diameter of 3.347 inches (85 mm)
• Width of 1.614 inches (41 mm) for consistent fitment
• Compatible with multiple BMW models including 325xi, 330xi, 750iL, X5, and Z8

Technical Specifications and Design Features

The National 510080 wheel bearing features a double row angular contact design, which provides improved axial and radial load handling compared to single row bearings. The inner race bore measures 1.772 inches (45 mm) with a radius of 0.138 inches (3.5 mm), ensuring precise alignment and fit. Both the inner and outer races have a width of 1.614 inches (41 mm), and the outer race outside diameter is 3.347 inches (85 mm). This E-3 type bearing is part of the Fwdb series and is classified as Gen1, indicating its generation and design standards.

Compatible BMW Models and Applications

This wheel bearing is compatible with a wide range of BMW vehicles, including the 325i, 325xi, 330Ci, 330i, 330xi, 740i, 740iL, 750iL, 840Ci, 850Ci, 850CSi, 850i, M3, X3, X5, Z3, Z4, and Z8. The National 510080 is designed to meet the specific driveline and axle requirements of these models, ensuring proper fit and function.

Common Issues Addressed by National 510080 Wheel Bearing

• Eliminates wheel noise caused by worn or damaged bearings
• Reduces vibration and improves steering stability
• Prevents premature tire wear due to bearing failure
• Restores smooth wheel rotation and handling
• Addresses wheel hub looseness and play

Installation Notes and Tips

Proper installation of the National 510080 wheel bearing is critical for optimal performance. It is recommended to use appropriate tools to press the bearing into the hub assembly without causing damage. Ensure the bearing is clean and lubricated as specified by the vehicle manufacturer. Verify fitment compatibility with the specific BMW model before installation. Torque specifications should be followed according to BMW service guidelines to avoid over-tightening or under-tightening.

Quality Assurance and Warranty Information

National wheel bearings are manufactured to meet stringent quality standards, ensuring durability and reliable operation. The 510080 part number undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, National typically offers coverage against manufacturing defects. Consult product documentation or the supplier for exact warranty terms.