Radial Joint UN 20 mm ID x 30 mm OD x 6 mm Width, 5 Pcs PU Oil Seal for Shaft Bearing Pump Piston Cylinder Industry, Blue

Section Type: Form UN; Hardness: A90; Width: 6 mm/0.24 inches; Inner Diameter: 20 mm/0.79 inches; Outer Diameter: 30 mm/1.18 inches; Operating Temperature Range: -20°C to 100°C (-20°C to 100°C). -4°F to 212°F); Operating pressure range: less than 35 MAP; Package contents: 5 pcs x lip seal. Made of PU, with wear and impact resistance, provides durability and longevity, is waterproof, has good sealing and is not easy to compress and deform. The inner and outer sealing lips of the UN seal are of the same height, with a UN-shaped cross section. It is excellent for resisting various petroleum oils, greases, hydraulic fluids, mineral oil and grease. An oil seal is a crucial sealing component for mechanical equipment. It is designed to prevent leakage of lubricating oil or grease and prevent dust and water from entering the machine. Oil seals are applied to various models of industrial hydraulic cylinders and cylinders, moving rods of guide rods, winches, pistons (unidirectional piston seals) and piston rods (pull rods), in static pressure.