Base to Center Height:2.500 ", Bore Dia:1 ", Brand:AMI BEARINGS, Expansion / Non-expansion:Non-expansion, Housing Material:Thermoplastic, Housing Outside Diameter:2.906 ", Housing Overall Length:3.891 ", Insert Material:Black Oxide Coated Steel, Length Thru Bore:1.394 ", Mounting Method:Concentric Collar, Seals:Single Lip Contact