Attributes . 3" Shaft Dia; 4-1/8" Housing Bore; 1/2" Nominal Width; Mill-Right N Lip; Solid Seal; 1/2" Actual Width; Spring Loaded; 2 Sealing Lips; Stainless Steel Finger Lip Retainer; Reinforced Rubber with Heel Case; 26R1 Seal Design Code . Names