National B-73 Wheel Bearing Designed to meet or exceed OE quality, premium-quality bearings from National® are manufactured to exacting standards to deliver lasting performance and extended bearing life. BUILT TO LAST -- Advanced heat treatment process for strength PREMIUM MATERIALS -- Precision manufactured using premium-grade steel for lasting performance and extended bearing life RIGOROUS TESTING?--?Comprehensive?testing throughout design and development processes by National engineers for quality you can count on? RELIABLE PERFORMANCE -- Element size and quantity are engineered to meet or exceed the load rating of OE bearings COMPREHENSIVE COVERAGE -- Industry-leading coverage for domestic and import applications Package Dimensions: 2.5 x 1.0 x 2.5 inches Package Weight: 0.44 lb Package Quantity: 1 UPC: 724956001880 Bore (Inch): 0.844 IN Bore (mm): 21.425 MM Design: Single Row Angular Contact Inner Race Bore (Inch): 0.844 IN Inner Race Bore (MM): 21.425 MM Inner Race Outside Diameter (Inch): 1.386 IN Inner Race Outside Diameter (MM): 35.204 MM Inner Race Radius (Inch): 0.140 IN Inner Race Radius (MM): 3.556 MM Inner Race Width (Inch): 0.591 IN Inner Race Width (MM): 15.011 MM Outer Race Bore (Inch): 1.802 IN Outer Race Bore (MM): 45.771 MM Outer Race Outside Diameter (Inch): 2.250 IN Outer Race Outside Diameter (MM): 57.158 MM Outer Race Width (Inch): 0.481 IN Outer Race Width (MM): 12.217 MM Outside Diameter (mm): 57.158 MM Series: FWBS Type: E-2 Width (Inch): 0.800 IN Width (mm): 20.320 MM Country of Origin: CN