OIL SEAL OPTIMAL FLUID SEALING PERFORMANCE Oil Seal normally consists of three basic components: the rubber sealing element, the metal insert (case) and the garter spring. The purpose of the sealing element is to stop the fluid from leaking between the shaft and housing. The metal insert will give rigidity and strength to the seal while it is being held in the bore or recessed groove. The garter spring will help make the rubber sealing element more effective. In precision bearings, oil seal helps prevent lubricants from escaping the bearings or a specific area. In machine components, oil seal helps prevent abrasives, corrosive moisture and other harmful contaminants from entering machinery. It also helps stop mixture of two different mediums, such as lubricating oil and water. TYPES Twenty different types of oil seals on a white background. The diagram of oil seal types COMMON SPECIFICATIONS ASTM/DIN ISO NBR ACM VMQ (Silicone) FKM HNBR (NEM) PTFE Wear Resistance very good moderate moderate very good moderate good High Temperature Oil Resistance 100 °C 150 °C 180 °C 200 °C (max. 150 °C operate temperature) 150 °C (max. 140 °C operate temperature) 200 °C Low Temperature -40 °C -30 °C -50 °C -25 °C -40 °C -80 °C Oil Resistance good good moderate very good good extremely good Common Specifications of Oil Seal (Click for details) FEATURES Provides good low temperature resistant capability Low swelling in hydrocarbon fluids High sealing performance by optimum Lightweight, compact and energy-saving Compatibility with the fluid contacted High degree of elasticity Wear resistance Low friction coefficient Exact fit Durable Best in quality CLASSICAL APPLICATIONS Automotive equipment Manufacturing Off-highway Oil refineries Power transmission Gearboxes Hydraulic cylinders. High voltage equipment Construction Medical and aerospace Chemical processing Pulp and paper Oil and refining Food and beverage Water and waste water Oil seal diagram installed on automotive equipment on a white background. Applied in automotive equipment The blue oil seals are mounted on the hydraulic cylinder on a white background. Applied in hydraulic cylinder A power transmission with the oil seal component is on the gray background