Attributes . 1-31/32" Shaft Dia; 3.543" Housing Bore; 0.394" Nominal Width; Mill-Right N Lip; Solid Seal; 0.394" Actual Width; Spring Loaded; 2 Sealing Lips; Stainless Steel Finger Lip Retainer; Reinforced Rubber with Heel Case; 26R1 Seal Design Code . Names