National 580 Wheel Bearing - Rear Outer

Product Overview

National 580 is a taper bearing cone built for wheel bearing service where precise load handling matters. It uses premium-grade steel and a crowned raceway and roller design to promote even load distribution in the bearing assembly.

For buyers searching for a National 580 wheel bearing cone, this part is a direct-fit style component in the wheel bearing and related components category. It is a practical choice for service work that calls for a taper bearing cone with defined bore and length dimensions.

Key Features

• Premium-grade steel construction for bearing service applications.
• Crowned raceways and rollers for even load distribution.
• Taper bearing cone design for wheel bearing assemblies.
• Part number 580 for easy identification and ordering.
• National wheel bearing component engineered for dimensional consistency.

Detailed Description

The National 580 taper bearing cone is designed for driveline and axle service where the bearing surface must carry load smoothly and consistently. Its crowned raceways and rollers help distribute load across the bearing contact area, while the premium steel construction supports the demands of wheel-end operation. When replacing a worn cone, matching the correct dimensions is essential, including the 3.2500-inch bore and 1.4212-inch length listed for this part.

National 580 is a useful reference for technicians and parts buyers looking for a wheel bearing cone with established interchange coverage. This part cross-references Monroe Shocks & Struts 181299 and SKF BR580 for the same application. National 580 may also appear in catalogs under the same part number, which helps simplify lookup during wheel bearing service.

What It Helps Address

• Excessive bearing play caused by a worn cone.
• Noise from damaged or uneven bearing surfaces.
• Load distribution issues in the wheel bearing assembly.
• Service replacement needs for taper bearing applications.

Installation Notes and Tips

Verify cone bore, cone length, and bearing dimensions before installation. Clean and inspect the mating bearing components, races, and spindle surfaces for wear or scoring before assembly. Proper bearing setup and lubrication are important for long-term service performance. Confirm the application by part number 580 and compare all dimensions to the removed component.

Quality Assurance

National manufactures this taper bearing cone with premium-grade steel and a crowned raceway and roller profile to support even load distribution in service.