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The oil seal is generally composed of three basic components: sealing element, metal shell and clamping spring.Types of oil seals include single and double lips, rubber or polymer, metal housing, spring loaded, and internal, external and axial guides.
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Several variables, including maximum temperatures, required lubricants, available space, and more, may influence your choice of bearing seal. Each factor can affect the type of bearing best for your application, the amount of material required, and other factors. Although the choice of seals is crucial to the effectiveness of your bearings, you don’t have to make that choice alone. Our experts at NBC bearings can collaborate with you to identify the bearings and bearing seals that provide the best, most affordable solution for your application, environment, and finished product.
- Moreover, the trend towards sustainability has influenced gasket automation. Modern systems are designed to minimize energy consumption and reduce waste. Recycling mechanisms and environmentally friendly materials processing add another layer of innovation to this evolving field.
- for aerospace, aviation and carrier rockets, satellites, fighter jets, oil seals for new tanks, and pipelines
- The primary advantage of using a double oil seal is its ability to protect against both external and internal leaks. External leaks can lead to loss of lubricant,, and potential safety hazards. Internal leaks, on the other hand, can compromise the integrity of the system by allowing contaminants into the lubricant, potentially causing damage to sensitive components.
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There is a British Standard laid down for the control of synthetic rubbers. BS 3574 (1989) helps to determine shelf life – for instance, Nitrile (NBR) and Polyacrylic (ACM) are Group ‘B’ rubbers and have a 7-year life, whilst Silicone (VMQ) and Fluoroelastomers (Viton®) are Group ‘C’ rubbers and have a 10-year shelf life. PTFE and Leather do not come into this category but like the others should be kept in the original packing for as long as possible away from direct light, dust, and humidity. Ozone, which can also be produced by battery-driven forklift trucks has a very bad effect on synthetic rubbers. Finally, protect the sealing lip – DO NOT hang the seals on nails, wire etc.


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Choosing the right oil seal
Fluoro rubber (FKM)