Base to Center Height:64 mm, Bore Dia:20 mm, Brand:AMI BEARINGS, Expansion / Non-expansion:Non-expansion, Housing Material:Nickel Coated Cast Iron, Housing Outside Diameter:70 mm, Housing Overall Length:99 mm, Insert Material:Zinc Coated Steel, Length Thru Bore:31 mm, Mounting Method:Set Screw, Seals:Double Lip Contact