National 45284 Wheel Bearing - Front Inner

Brand National 45284
Position Front Inner
Cone Bore (Inch) 2.0000
Cone Bore (MM) 50.8000
Cone Length (Inch) 1.2188
Cone Length (MM) 30.9580
Cone Radius (Inch) 0.2500
Cone Radius (MM) 6.3500
Part Description Taper bearing cone
Fits —

Premium-grade steel. Built with crowned raceways and rollers for even load distribution.

Taper bearing cone. A wheel bearing component made for smooth, consistent rotation.

Cross-references Continental 62914, Dorman - HELP 45284 and Nissens 93271 for the same application. See all 31.

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National 45284 Taper Bearing Cone

The National 45284 taper bearing cone is built for driveline and axle service where precise load handling matters. Manufactured from premium-grade steel, it uses crowned raceways and rollers to promote even load distribution across the bearing surface.

Key Features

  • Part number 45284 taper bearing cone for wheel bearing service
  • Premium-grade steel construction for durability in axle applications
  • Crowned raceways and rollers help distribute load evenly
  • 2.0000 inch cone bore, 50.8000 mm cone bore
  • 1.2188 inch cone length, 30.9580 mm cone length
  • 0.2500 inch cone radius, 6.3500 mm cone radius

Detailed Description

National 45284 is a taper bearing cone used in wheel bearing and axle assemblies that require stable rotation and controlled load support. The cone’s crowned raceways and rollers are engineered to reduce edge loading, while the premium steel construction supports consistent performance in demanding driveline and axle environments. For buyers searching wheel bearing cone 45284, taper bearing cone 45284, or National 45284 wheel bearing replacement, this part provides the core dimensions needed for accurate matching. It also cross-references SKF BR45284 for the same application.

What It Helps Address

  • Wheel bearing noise caused by worn or damaged bearing surfaces
  • Excessive play in axle or hub bearing assemblies
  • Rough rotation from pitted or fatigued taper bearing components
  • Load distribution issues in driveline and axle service
  • Replacement needs for National 45284, including Ford F-150 wheel bearing cone search terms

Installation Notes and Tips

Verify cone bore, cone length, and cone radius against the original bearing before installation. Clean and inspect the mating race, hub, spindle, and related axle components for wear or scoring, and replace any damaged matching parts as needed. Proper bearing preload and lubrication are critical for long service life, so follow the vehicle service procedure for the specific axle or hub assembly. Fits applications that call for National 45284 taper bearing cone dimensions, including Ford F-150 wheel bearing cone searches where this part number is specified.

Quality Assurance

National manufactures this taper bearing cone with premium-grade steel and crowned raceway geometry to support even load distribution and dependable bearing operation. The part is identified by National 45284 for straightforward catalog matching and service verification.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 31 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Continental — 62914Dorman - HELP — 45284Nissens — 93271SKF — BR452846E7O-4221-BA6E7Z-4221-BA432D245284B55942C213459R912992653190173293585169918832361789611029102192910219520204774511209413487941384794145529414826A648032AC15373B125384BT45284F45284TGAA1201ATGAA1201A-0W