Attributes . 24-7/16" Shaft Dia; 26-7/16" Housing Bore; 1-1/2" Nominal Width; Nitrile Lip; Solid Seal; 1-1/2" Actual Width; Spring Loaded; 2 Sealing Lips; Stainless Steel Garter Lip Retainer; Steel Case; HDSD1 Seal Design Code . Names