Attributes . 2.756" Shaft Dia; 3.622" Housing Bore; 0.472" Nominal Width; Mill-Right N Lip; Solid Seal; 0.472" Actual Width; Spring Loaded; 2 Sealing Lips; Stainless Steel Finger Lip Retainer; Reinforced Rubber with Heel Case; 26R1 Seal Design Code . Names