Black NBR Rubber Hydraulic Cylinder Oil Sealing Ring Thickness 5/6/7/8mm USH/UPH/Y Type Shaft Hole General Sealing Ring Gasket(28x35.5x5mm 2Pcs)

Product Description:Model:USH/UPH/Y Type Hydraulic Cylinder Sealing Ring Shaft Hole General Gasket Oil Sealing RingMaterial:Nitrile rubber (NBR)Colour: BlackInnerdiameter: 11.2~90mm<;= 40MpaWorking Temperature: -20 °C~+100 °CDimension description: Eg:20x28x5mm(inner diameter=20mm,outer diameter=28mm ,thickness=5mm).Model Number : Thickness 5/6/7/8mm

• 1.Excellent Oil & Fluid Resistance: Made of high-grade NBR/FKM rubber, resists oil, fuel, and hydraulic fluids for reliable sealing.
• 2.High Pressure & Extrusion Resistance: Optimized hardness and design withstands pressure spikes in hydraulic and pneumatic systems without extrusion.
• 3.Easy Installation & Universal Fit: Standard sizes allow quick replacement; moderate flexibility prevents twisting, simplifies assembly and maintenance.
• 4.Stable Mechanical Properties: High tensile strength and excellent compression set resistance maintain sealing performance under vibration and pressure fluctuations.
• 5.Wide Industrial Application: Used in hydraulic pumps, cylinders, valves, gearboxes, motors, and connectors across construction, automation, and automotive sectors.