National HM212049 Wheel Bearing - Front Inner

Overview of National HM212049 Wheel Bearing Cone

The National HM212049 is a precision-engineered taper bearing cone designed for driveline and axle applications. This wheel bearing component is essential for maintaining smooth wheel rotation and reliable vehicle performance, compatible with various makes and models requiring a 2.6250 inch cone bore.

• Cone Bore Diameter: 2.6250 inches (66.6750 mm)
• Cone Length: 1.5100 inches (38.3540 mm)
• Cone Radius: 0.1400 inches (3.5560 mm)
• Part Type: Taper Bearing Cone
• Part Number: HM212049

Detailed Specifications and Features

The National HM212049 wheel bearing cone features a 2.6250 inch (66.6750 mm) bore diameter, ensuring a precise fit for compatible wheel hubs. Its cone length of 1.5100 inches (38.3540 mm) and cone radius of 0.1400 inches (3.5560 mm) are engineered to provide optimal load distribution and durability under various driving conditions. This taper bearing cone is designed to work within the driveline and axle assembly, supporting smooth rotation and reducing friction between moving parts.

Applications and Common Issues Addressed

• Replacement for worn or damaged wheel bearing cones in compatible vehicles
• Resolves wheel hub noise caused by bearing wear
• Addresses uneven tire wear due to bearing failure
• Prevents wheel vibration and instability from degraded bearings
• Supports proper axle alignment and driveline performance

Installation Notes and Tips

When installing the National HM212049 taper bearing cone, ensure the cone bore and hub surfaces are clean and free of debris. Proper lubrication of the bearing surfaces is critical to prevent premature wear. Use appropriate tools to press the bearing cone into place without damaging the cone radius or bore. Verify fitment compatibility with your vehicle’s make and model before installation to ensure correct dimensions and performance.

Quality Assurance and Warranty

National wheel bearing components are manufactured to meet industry standards for durability and precision. The HM212049 part number undergoes rigorous quality control to ensure consistent performance in driveline and axle applications. While specific warranty details are not provided, National products typically come with manufacturer-backed quality assurance to support reliable operation.