Base to Center Height:3 ", Bore Dia:1.250 ", Brand:AMI BEARINGS, Expansion / Non-expansion:Non-expansion, Housing Material:Thermoplastic, Housing Outside Diameter:3.500 ", Housing Overall Length:4.922 ", Insert Material:Nickel Coated Steel, Length Thru Bore:1.689 ", Mounting Method:Set Screw, Seals:Single Lip Contact