Standard Unloaded U-Seals

U seals, or U cups, are used in rod or piston applications (symmetrical U seals can be used in either application). These U seals provide greater flexibility because they have nothing between the lips. Standard, or Inch, sizes come in fractions of an inch. For any questions, or if you can't find what you're looking for, please contact us at 1 (800) 445-7803 or at