National 204-F Wheel Bearing - Rear Outer

Overview of National 204-F Wheel Bearing

The National 204-F wheel bearing is engineered for reliable driveline performance in select Chevrolet, Geo, Pontiac, and Suzuki vehicles. Designed as a single row radial ball bearing, it offers precise fitment and durability for models like the Chevrolet Metro, Geo Swift, and Pontiac Firefly.

• Single row radial design for smooth rotation
• 20 mm (0.787 inch) bore diameter for accurate fit
• Outer diameter of 47 mm (1.850 inch) ensures compatibility
• 14 mm (0.551 inch) width for balanced load handling
• Inner and outer race radii of 1.02 mm (0.040 inch) for optimized stress distribution

Technical Specifications and Design Details

The National 204-F wheel bearing features a 20 mm bore and an outer diameter of 47 mm, making it suitable for specific driveline applications. Its single row radial ball bearing design supports radial loads efficiently, while the 14 mm width balances axial and radial forces. The inner race has a width of 14 mm and a radius of 1.02 mm, matching the outer race dimensions to maintain uniform load distribution and reduce wear. This bearing is part of the 200 series and classified as type A-8, ensuring compatibility with original equipment specifications.

Compatible Vehicles and Applications

This wheel bearing is compatible with various models from Chevrolet, Geo, Pontiac, and Suzuki, including:

• Chevrolet Metro
• Geo Swift and Firefly
• Pontiac Forsa
• Suzuki Esteem and Sprint

It is designed to replace worn or damaged bearings in these vehicles, restoring smooth wheel rotation and driveline stability.

Common Issues Addressed by National 204-F Wheel Bearing

• Eliminates wheel noise caused by worn bearings
• Reduces vibration and uneven tire wear
• Restores proper wheel alignment and rotation
• Prevents premature driveline component failure
• Improves overall vehicle handling and safety

Installation Notes and Tips

When installing the National 204-F wheel bearing, ensure the bore and outer diameter measurements match the vehicle specifications. Proper cleaning of the hub and axle surfaces is essential before installation. Use appropriate tools to press the bearing evenly to avoid damage. Verify the bearing orientation aligns with the original setup to maintain performance and longevity.

Quality Assurance and Warranty

National wheel bearings are manufactured to meet industry standards for durability and precision. The 204-F part number undergoes rigorous quality control to ensure consistent performance. While specific warranty details are not provided, National products typically adhere to OEM quality requirements, offering reliable service life when installed correctly.