NATIONAL
More Information for NATIONAL B40
{Alternate Inventory Numbers: B-40}
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NATIONAL B40  
$50.89
Price
$0.00
Core
+ Sold in packs of 1x1
Pack
$50.89
Total
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NATIONAL B40 Specifications
Bore (Inch)1.250
Bore (MM)31.760
DesignSingle Row Angular Contact
Inner Race Bore (Inch)1.250
Inner Race Bore (MM)31.760
Inner Race Outside Diameter (Inch)1.781
Inner Race Outside Diameter (MM)45.237
Inner Race Radius (Inch)0.140
Inner Race Radius (MM)3.556
Inner Race Width (Inch)0.750
Inner Race Width (MM)19.050
Outer Race Bore (Inch)2.110
Outer Race Bore (MM)53.594
Outer Race Outside Diameter (Inch)2.564
Outer Race Outside Diameter (MM)65.126
Outer Race Width (Inch)0.563
Outer race Width (MM)14.300
Outside Diameter (Inch)2.564
Outside Diameter (MM)65.126
Part DescriptionWheel Bearing
SeriesFWBS
TypeE-1
Width (inch)0.759
Width (MM)19.279
National® Oil Seals & Bearings has built a reputation as one of the most respected names in the industry. They have offered premium sealing and wheel end solutions for more than 75 years. Their design and engineering teams keep pace with the industry and provide advanced solutions for today's vehicles.

Features & Benefits:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Premium seal design keeps out dirt and contaminants and retains lubrication in bearing
  • Controlled heat treating process for lasting performance and extended bearing life
  • Professional technicians know they can depend on National
OEM / Interchange Numbers: 909040, 909540, 909640, 909740

NATIONAL Warranty Information:
12 Months