National 41286 Steering Knuckle Race - Front

National 41286 Steering Knuckle Race Overview

The National 41286 steering knuckle race is a precision-engineered taper bearing cup designed to meet the demanding requirements of steering, gear, and related components. With exact dimensions including a cup bore of 2.8593 inches (72.6260 mm) and a cup length of 0.6875 inches (17.4630 mm), this part ensures proper fit and function in compatible vehicle steering assemblies.

• Cup Bore Diameter: 2.8593 inches (72.6260 mm)
• Cup Length: 0.6875 inches (17.4630 mm)
• Cup Radius: 0.0600 inches (1.5240 mm)
• Part Type: Taper Bearing Cup
• Part Number: 41286

Technical Details and Specifications

The National 41286 steering knuckle race is manufactured to precise tolerances to provide a reliable seating surface for the taper bearing in steering knuckle assemblies. The cup bore diameter of 2.8593 inches (72.6260 mm) and the cup length of 0.6875 inches (17.4630 mm) are critical for maintaining proper bearing preload and alignment. The cup radius of 0.0600 inches (1.5240 mm) helps ensure smooth rotation and reduces wear on the bearing surfaces. This part is essential for maintaining steering stability and responsiveness in vehicles that require this specific taper bearing cup size.

Compatible Vehicles and Applications

This steering knuckle race is compatible with various makes and models that utilize a taper bearing cup with the specified dimensions. It is commonly used in steering gear assemblies where precise bearing fitment is necessary. For example, vehicles such as certain Ford F-Series trucks, Chevrolet Silverado models, and Dodge Ram pickups may require this part number 41286 for proper steering knuckle maintenance and repair. Always verify fitment with your vehicle’s service manual or parts catalog to ensure compatibility.

• Restores proper bearing seating in steering knuckle assemblies
• Eliminates steering play caused by worn or damaged bearing cups
• Prevents premature bearing wear and steering component failure
• Maintains steering precision and vehicle handling
• Supports safe and reliable steering system operation

Installation Notes and Tips

When installing the National 41286 steering knuckle race, ensure the steering knuckle and bearing surfaces are clean and free of debris. Use appropriate tools to press the taper bearing cup evenly into the knuckle bore to avoid distortion. Verify the cup bore diameter and length match the original specifications to maintain correct bearing preload. It is recommended to inspect the bearing and related components for wear during installation and replace as necessary to ensure optimal steering performance.

Quality Assurance and Warranty

National manufactures the 41286 steering knuckle race to meet industry standards for durability and precision. Each part undergoes quality control inspections to ensure dimensional accuracy and material integrity. While specific warranty details are not provided, National parts typically come with a limited warranty against manufacturing defects. Consult the product documentation or National’s official resources for warranty terms applicable to this part.