National HM212047 Wheel Bearing - Front Inner

National HM212047 Wheel Bearing Cone Overview

The National HM212047 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 vehicle stability, compatible with various makes and models requiring a 2.5-inch cone bore.

• Cone Bore Diameter: 2.5000 inches (63.5 mm)
• Cone Length: 1.5100 inches (38.354 mm)
• Cone Radius: 0.2800 inches (7.112 mm)
• Part Type: Taper Bearing Cone
• Category: Wheel Bearings, Seals, and Related Components

Detailed Specifications of the HM212047 Wheel Bearing

The HM212047 wheel bearing cone from National features a 2.5-inch (63.5 mm) cone bore, ensuring precise fitment in compatible hub assemblies. Its cone length measures 1.51 inches (38.354 mm), providing the necessary surface area for load distribution and durability. The cone radius of 0.28 inches (7.112 mm) supports proper seating within the bearing assembly, contributing to consistent wheel performance. This taper bearing cone is engineered to meet OEM standards for driveline and axle components, making it suitable for vehicles that require this specific dimension and design.

Applications and Common Issues Addressed

• Replacement for worn or damaged wheel bearing cones in compatible vehicles
• Resolves wheel noise caused by bearing wear or improper fit
• Addresses wheel vibration and uneven tire wear due to bearing failure
• Prevents premature axle or hub damage by maintaining proper bearing alignment
• Supports safe and stable wheel rotation under load

Installation Notes and Tips

When installing the National HM212047 wheel bearing cone, ensure the cone bore and length match the vehicle’s specifications exactly. Proper cleaning and inspection of the hub and bearing surfaces are critical before installation. Use appropriate tools to press the cone into place without damaging the bearing surfaces. Lubricate the bearing cone as recommended by the vehicle manufacturer to ensure optimal performance and longevity.

Quality Assurance and Warranty

National manufactures the HM212047 wheel bearing cone to meet strict quality standards for durability and performance. While specific warranty details are not provided, National products typically adhere to industry standards for reliability in driveline and axle components. Verify compatibility with your vehicle’s make and model to ensure proper fit and function.