18.701" Shaft Dia; 19.685" Housing Bore; 1/2" Nominal Width; Mill-Right N Lip; Split Seal; 1/2" Actual Width; Spring Loaded; 1 Sealing Lips; Stainless Steel Finger Lip Retainer; Rubber Case; 23-L Seal Design Code

475MM Shaft Dia; 530MM Housing Bore; 18MM Nominal Width; Nitrile Lip; Solid Seal; 18MM Actual Width; Spring Loaded; 1 Sealing Lips; Carbon Steel Garter Lip Retainer; Steel Case Construction; SA Seal Design Code