U-cup Oil Seal Ring 5/6/7/8/10mm Height Piston Hydraulic Rod PU Oring UN UNS UHS
U-cup Oil Seal Ring UN UNS UHS Piston Hydraulic Rod PU Oring Height 5/6/7/8/10mm. U-shaped seal is the most commonly used oil seal in hydraulic cylinder, is a typical lip seal, whether used for piston or piston rod can get a good seal.