National B-47 Wheel Bearing National(R) Oil Seals & Bearings offer a full line of premium oil seals and bearings. Precision manufactured using premium-grade steel for outstanding durability and performance Professional technicians know they can depend on National Controlled heat treating process for lasting performance and extended bearing life Premium bearing design matches OEM specifications Premium seal design keeps out dirt and contaminants and retains lubrication in bearing Package Dimensions: 2.5 x 1.0 x 2.5 inches Package Weight: 0.51 lb Package Quantity: 1 UPC: 724956001804 Bore: 23.025 MM Bore (Inch): 0.907 Design: Single Row Angular Contact Inner Race Bore: 23.025 MM Inner Race Bore (Inch): 0.907 Inner Race Radius: 3.556 MM Inner Race Radius (Inch): 0.140 Inner Race Width: 14.986 MM Inner Race Width (Inch): 0.590 Outer Race Outside Diameter: 57.158 MM Outer Race Outside Diameter (Inch): 2.250 Outer Race Width: 12.192 MM Outer Race Width (Inch): 0.480 Outside Diameter: 57.158 MM Outside Diameter (Inch): 2.250 Series: FWBS Type: E-2 Width: 20.066 MM Width (Inch): 0.790 Country of Origin: CN Remanufactured Part: N