National 14274 Wheel Bearing Race - Front Inner or Front Outer

National 14274 Wheel Bearing Race Overview

The National 14274 wheel bearing race is a precision-engineered taper bearing cup designed to meet the demanding requirements of driveline and axle assemblies. With exact dimensions including a cup bore of 2.7170 inches (69.0120 mm) and a cup length of 0.6250 inches (15.8750 mm), this component ensures proper fit and function in compatible vehicle applications.

• Taper bearing cup with precise cup bore diameter of 2.7170 inches (69.0120 mm)
• Cup length measures 0.6250 inches (15.8750 mm) for accurate seating
• Cup radius of 0.1250 inches (3.1750 mm) designed for optimal bearing contact
• Part number 14274 for easy identification and replacement
• Manufactured by National, a recognized brand in driveline components

Detailed Product Description

The National 14274 wheel bearing race is engineered to provide a reliable surface for the tapered roller bearings in automotive driveline and axle assemblies. The cup bore diameter of 2.7170 inches (69.0120 mm) and the cup length of 0.6250 inches (15.8750 mm) are critical dimensions that ensure compatibility with specific wheel bearing sets. The cup radius of 0.1250 inches (3.1750 mm) supports proper load distribution and bearing alignment, which is essential for maintaining wheel stability and reducing wear. This part is commonly used in vehicles requiring precise taper bearing cups for their wheel hubs, including various makes and models from domestic and import manufacturers.

Common Applications and Problem Solving

• Replaces worn or damaged wheel bearing races to restore proper bearing fit
• Addresses issues such as wheel noise caused by bearing play or damage
• Prevents premature bearing failure due to improper seating surfaces
• Eliminates vibration and uneven tire wear related to bearing race defects
• Supports safe and smooth wheel rotation in driveline assemblies

Installation Notes and Tips

• Ensure the wheel hub and bearing surfaces are clean and free of debris before installation
• Use appropriate tools to press the bearing race evenly into the hub bore to avoid distortion
• Verify the cup bore dimension of 2.7170 inches matches the hub specifications for proper fit
• Inspect the bearing and race for any signs of damage or wear during installation
• Follow vehicle manufacturer torque specifications when reassembling components

Quality Assurance and Warranty

National manufactures the 14274 wheel bearing race to meet industry standards for durability and precision. While specific warranty details may vary, National products typically come with a limited warranty against defects in material and workmanship. This ensures that the part performs reliably under normal operating conditions when installed correctly.