Attributes . 47-1/2" Shaft Dia; 49-1/2" Housing Bore; 1-1/2" Nominal Width; Nitrile Lip; Solid Seal; 1-1/2" Actual Width; Spring Loaded; 1 Sealing Lips; Stainless Steel Garter Lip Retainer; Steel Case; HDS1 Seal Design Code . Names