Attributes . 8-1/2" Shaft Dia; 10-1/2" Housing Bore; 1-1/4" Nominal Width; Nitrile Lip; Solid Seal; 1-1/4" Actual Width; Spring Loaded; 2 Sealing Lips; Stainless Steel Garter Lip Retainer; Steel Case; HDSD1 Seal Design Code . Names