National Bearings A-47 Wheel Bearing and Race Set

Taper Bearing Set

Fits: 2003-2018 Chevrolet Express 3500, 2003-2018 GMC Savana 3500, 2009-2018 Chevrolet Express 4500, 2009-2016 GMC Savana 4500, 2011-2012 GMC Sierra

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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


  • Chevrolet Express 3500 (Whl) 15-03; Express 4500 (Whl) 15-09; GMC Savana 3500 (Whl) 15-03; Savana 4500 (Whl) 15-09
  • Taper Bearing Set
  • OE-STYLE DESIGN -- Engineered to meet OE specifications
  • Taper Bearing Set
  • CONSISTENT PERFORMANCE -- Matched cup and cone components ensure consistent performance
  • RIGOROUS TESTING?--?Comprehensive?testing throughout design and development processes by National engineers for quality you can count on?
  • National A-47 Taper Bearing Set
  • SMOOTH ROTATION -- Crowned raceways and rollers for even load distribution
  • COMPREHENSIVE COVERAGE -- Industry-leading coverage for domestic and import applications
  • PREMIUM MATERIALS -- Precision manufactured using premium-grade steel for outstanding durability and performance


Cone Bore (Inch)2.0000
Cone Bore (MM)50.8000
Cone Length (Inch)0.8750
Cone Length (MM)22.2250
Cone Radius (Inch)0.1378
Cone Radius (MM)3.5000
Cup Bore (Inch)3.2500
Cup Bore (MM)82.5500
Cup Length (Inch)0.6500
Cup Length (MM)16.5100
Cup Radius (Inch)0.5000
Cup Radius (MM)12.7000
FootnoteComponents Not Available Seperately
Part DescriptionTaper Bearing Set
Taper Bearing ConeNP145100
Taper Bearing CupNP913325
Width (Inch)0.6500
Width (MM)16.5100



  • General Motors: 15042154
  • Timken: NP145100
  • ACDelco: RW20-07


  • 2009-2016 GMC Savana 4500 - Position: Rear Outer
  • 2003-2018 Chevrolet Express 3500 - Position: Rear Outer
  • 2003-2018 GMC Savana 3500 - Position: Rear Outer
  • 2009-2018 Chevrolet Express 4500 - Position: Rear Outer
  • 2011-2012 GMC Sierra - Position: Rear Outer
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