BRAND: NATIONAL ID: 471883 NATIONAL 471883 Specifications Housing Bore (IN) 2.686 Housing Bore (MM) 68.220 Inside Diameter (IN) 2.000 Inside Diameter (MM) 50.800 Material Nitrile Outside Diameter (IN) 2.690 Outside Diameter (MM) 68.330 Redicoat Yes Sealing Material Nitrile Shaft Diameter (IN) 2.000 Shaft Diameter (MM) 50.800 Thickness (IN) 0.437 Thickness (MM) 11.100 Type 47 Width (IN) 0.437 Width (MM) 11.100 Package Includes: One (01) National Oil Seal 471883