520MM Shaft Dia; 545MM Housing Bore; 18.5MM Nominal Width; Nitrile Lip; Solid Seal; 18.5MM Actual Width; Spring Loaded; 2 Sealing Lips; Carbon Steel Garter Lip Retainer; Steel and Rubber Case Construction; ADL Seal Design Code

19.685" Shaft Dia; 21.457" Housing Bore; 0.787" Nominal Width; Mill-Right N Lip; Split Seal; 0.787" Actual Width; Spring Loaded; 1 Sealing Lips; Stainless Steel Finger Lip Retainer; Rubber Case; 23-L Seal Design Code