National Bearings A-53 Wheel Bearing and Race Set

Taper Bearing Set

Fits: 1999-2012 Ford F-250 Super Duty, 1999-2009 Ford F-350, 2000-2005 Ford Excursion, 2000-2009 Ford F-250, 2011-2020 Ford F59

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Manufactured with premium-grade steel, National® taper bearing sets feature crowned raceways and rollers to ensure even load distribution.

BRAND: National


  • Ford Excursion (Whl) 05-00; F-250 Super Duty (Whl) 14-99; F-350 Super Duty (Whl) 13-99
  • COMPREHENSIVE COVERAGE -- Industry-leading coverage for domestic and import applications
  • CONSISTENT PERFORMANCE -- Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS -- Precision manufactured using premium-grade steel for outstanding durability and performance
  • Taper Bearing Set
  • RIGOROUS TESTING?--?Comprehensive?testing throughout design and development processes by National engineers for quality you can count on?
  • National A-53 Taper Bearing Set
  • OE-STYLE DESIGN -- Engineered to meet OE specifications
  • SMOOTH ROTATION -- Crowned raceways and rollers for even load distribution
  • Taper Bearing Set


Cone Bore (Inch)2.2500
Cone Bore (MM)57.1500
Cone Length (Inch)0.9540
Cone Length (MM)24.2320
Cone Radius (Inch)0.0200
Cone Radius (MM)0.5080
Cup Bore (Inch)3.8125
Cup Bore (MM)96.8380
Cup Length (Inch)0.6250
Cup Length (MM)15.8750
Cup Radius (Inch)0.0300
Cup Radius (MM)0.7620
FootnoteComponents Not Available Seperately
Part DescriptionTaper Bearing Set
Taper Bearing ConeNP114036
Taper Bearing CupNP064306
Width (Inch)0.8640
Width (MM)21.9460



  • SKF: NP064306
  • Chicago Rawhide: NP064306
  • Ford: F81W-1243AA
  • Timken: NP064306
  • Ford: F81Z-1243AA


  • 1999-2009 Ford F-350 - Position: Rear Inner
  • 2000-2005 Ford Excursion - Position: Rear Inner
  • 2011-2020 Ford F59 - Position: Rear Inner
  • 2000-2009 Ford F-250 - Position: Rear Inner
  • 1999-2012 Ford F-250 Super Duty - Position: Rear Inner
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