475MM Shaft Dia; 505MM Housing Bore; 17MM Nominal Width; Nitrile Lip; Solid Seal; 17MM Actual Width; Spring Loaded; 2 Sealing Lips; Stainless Steel Garter Lip Retainer; Steel Case; HDSA1 Seal Design Code

455MM Shaft Dia; 505MM Housing Bore; 25MM Nominal Width; Mill-Right ES Lip; Solid Seal; 25MM Actual Width; Spring Loaded; 1 Sealing Lips; Carbon Steel Garter Lip Retainer; Steel and Reinforced Rubber Case Construction; 87-L Seal Design Code