National RW-607-NR Wheel Bearing - Rear

Overview of National RW-607-NR Wheel Bearing

The National RW-607-NR wheel bearing is engineered for reliable driveline performance in select Chevrolet and Pontiac vehicles. Designed as a single row radial bearing, it offers precise fitment and durability for models like the Chevrolet Bel Air, Corvette, El Camino, Impala, and Pontiac Laurentian and Parisienne.

• Single row radial design for consistent load handling
• Inner race bore diameter of 1.378 inches (35.001 mm)
• Outer race outside diameter of 3.000 inches (76.200 mm)
• Overall width of 1.425 inches (36.195 mm)
• Compatible with Chevrolet and Pontiac classic models

Technical Specifications and Design Details

The RW-607-NR wheel bearing features a single row radial design optimized for smooth rotation and load distribution. The inner race bore measures 1.378 inches (35.001 mm) with a radius of 0.100 inches (2.540 mm) and a width of 1.032 inches (26.213 mm). The outer race has an outside diameter of 3.000 inches (76.200 mm), a radius of 0.060 inches (1.524 mm), and a width of 1.000 inch (25.400 mm). The total bearing width is 1.425 inches (36.195 mm), ensuring proper fitment within the hub assembly. This bearing is part of the Rws series and classified as type F-1, designed to meet the specifications required for the driveline and axle systems of vintage Chevrolet and Pontiac vehicles.

Compatible Vehicles and Applications

This wheel bearing is compatible with a range of Chevrolet and Pontiac models, including:

• Chevrolet Bel Air
• Chevrolet Corvette
• Chevrolet El Camino
• Chevrolet Impala
• Pontiac Laurentian
• Pontiac Parisienne

It is specifically designed to replace worn or damaged wheel bearings in these vehicles, maintaining proper wheel alignment and rotational efficiency.

Common Issues Addressed by the RW-607-NR Wheel Bearing

• Eliminates wheel noise caused by worn bearings
• Prevents wheel wobble and vibration during driving
• Restores smooth wheel rotation and reduces friction
• Helps maintain proper wheel alignment and handling
• Reduces risk of premature tire wear due to bearing failure

Installation Notes and Tips

Proper installation of the National RW-607-NR wheel bearing is critical for optimal performance. Ensure the hub and spindle surfaces are clean and free of debris before installation. Use appropriate tools to press the bearing into place without damaging the races. Verify the bearing is seated correctly and rotates smoothly before reassembling the wheel components. It is recommended to consult the vehicle’s service manual for torque specifications and installation procedures specific to the Chevrolet or Pontiac model.

Quality Assurance and Warranty Information

National wheel bearings are manufactured to meet industry standards for durability and performance. The RW-607-NR bearing undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects. For precise warranty terms, refer to the product documentation or contact the manufacturer directly.