National RW-307-R 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. RIGOROUS TESTING?--?Comprehensive?testing throughout design and development processes by National engineers for quality you can count on? BUILT TO LAST -- Advanced heat treatment process for strength COMPREHENSIVE COVERAGE -- Industry-leading coverage for domestic and import applications RELIABLE PERFORMANCE -- Element size and quantity are engineered to meet or exceed the load rating of OE bearings PREMIUM MATERIALS -- Precision manufactured using premium-grade steel for lasting performance and extended bearing life Package Dimensions: 3.5 x 1.5 x 3.5 inches Package Weight: 1.24 lb Package Quantity: 1 UPC: 724956032457 Bore (Inch): 1.378 IN Bore (mm): 35.001 MM Design: Single Row Radial Inner Race Bore (Inch): 1.378 IN Inner Race Bore (MM): 35.001 MM Inner Race Radius (Inch): 0.100 IN Inner Race Radius (MM): 2.540 MM Inner Race Width (Inch): 0.905 IN Inner Race Width (MM): 22.987 MM Outer Race Outside Diameter (Inch): 3.000 IN Outer Race Outside Diameter (MM): 76.200 MM Outer Race Radius (Inch): 0.040 IN Outer Race Radius (MM): 1.016 MM Outer Race Width (Inch): 1.298 IN Outer Race Width (MM): 32.969 MM Outside Diameter (mm): 76.200 MM Series: RWS Type: F-3 Width (Inch): 1.298 IN Width (mm): 32.969 MM Country of Origin: CN