28.937" Shaft Dia; 31.457" Housing Bore; 55/64" Nominal Width; Mill-Right N Lip; Solid Seal; 55/64" Actual Width; Spring Loaded; 1 Sealing Lips; Carbon Steel Garter Lip Retainer; Steel and Rubber Case; 87 Seal Design Code

28-15/16" Shaft Dia; 31.457" Housing Bore; 63/64" Nominal Width; Mill-Right ES Lip; Solid Seal; 63/64" Actual Width; Spring Loaded; 1 Sealing Lips; Stainless Steel Finger Lip Retainer; Steel Case; 59 Seal Design Code

28.937" Shaft Dia; 31.457" Housing Bore; Mill-Right N Lip; Solid Seal; Spring Loaded; 1 Sealing Lips; Stainless Steel Finger Lip Retainer; Steel Case; 59 Seal Design Code