Attributes . 2-1/2" Shaft Dia; 3-1/4" Housing Bore; 0.35" Nominal Width; Nitrile Lip; Solid Seal; 0.35" Actual Width; Spring Loaded; 2 Sealing Lips; Stainless Steel Garter Lip Retainer; Stainless Steel Case; CRWA5 Seal Design Code . Names