Base to Center Height:2.875 ", Bore Dia:1.500 ", Brand:MORSE INDUSTRIAL, Expansion / Non-expansion:Non-expansion, Housing Material:Teflon Coated Cast Iron, Housing Outside Diameter:3.750 ", Housing Overall Length:4.750 ", Insert Material:Black Oxide Coated Steel, Length Thru Bore:1.938 ", Mounting Method:Set Screw, Seals:High Performance Seal