- 2047% is an interesting figure that represents the potential lifespan enhancement of an oil seal when designed and maintained optimally. This number signifies the exponential increase in service life compared to a standard seal. Advanced materials, precise manufacturing processes, and careful attention to operating conditions can significantly prolong a seal's durability, reducing maintenance costs and downtime for businesses.
These types are made with a metal outer case and a PTFE lip. They are suitable for a wide range of temperatures from -90 °C to +260 °C.These lip seals can also be used for higher pressures of up to 10 bar (special types up to 25 bar) and rotational speeds of up to 40-45 m/s. Certain grades of PTFE are suitable for use in pharmaceutical and food applications. One important point is that PTFE lip seals do require a shaft with a harder, smoother finish.
Oil seals go by many names, such as shaft seals, dirt seals, grease seals, lip seals, and many other variations of these. They are essentially simple devices used in rotary shaft equipment to prevent lubricant from escaping and for excluding contaminants such as dust, dirt and water. An oil seal’s most important function, however, is that it protects every type of ball, sleeve and roller bearing in the rotating shafts. The seals also prevent the integration of two different fluids that shouldn’t mix, such as oil and water.
1. Follow the instructions in the manual
There are a wide variety of industrial applications and therefore there are a wide variety of oil seals to meet the specific application needs. By choosing the right oil seal you will have a better fit, improved stability, and enhanced reliability. Rubber tends to be one of the most commonly used oil seal materials. an oil seal manufacturer, explains how oil seals for and the importance of proper installation, “To provide effective sealing, radial shaft seals must be installed properly. An experienced installer with suitable tools, working in a clean environment, is recommended to provide proper installation. The shaft counterface surface and housing bore should meet the demands specified in the sections Shaft requirements and Housing bore requirements. To facilitate seal installation and to achieve initial lubrication, prior to installation, recommends wiping the shaft and seal with the lubricant that is going to be retained. While the outside diameter of metal-cased seals can be lightly lubricated to ease installation, the outside diameter of rubber covered seals should always be lubricated.
Put a wood block at least 6 in. (150 mm) square and 1 in. (25 mm) thick as a spacer between the jack and the sump to prevent damage.
WHAT IS THE DIFFERENCE BETWEEN MECHANICAL SEAL AND OIL SEAL?
Oil seals play a vital role in the efficient operation of machinery and equipment by preventing the leakage of oil or other fluids. One commonly used type of oil seal is the 65x90x10 oil seal, which is designed to fit a specific shaft size of 65mm, an outer diameter of 90mm, and a thickness of 10mm. These seals are typically made from rubber or other flexible materials that can withstand the harsh conditions often found in machinery.
In conclusion, oil seal manufacturing plays a crucial role in providing reliable sealing solutions for industrial and automotive applications. Leading companies in the sector leverage advanced manufacturing capabilities and expertise to produce high-quality oil seals, while innovations in rubber oil seals and a focus on quality assurance contribute to the overall performance and reliability of sealing solutions.

Table 2 a): Common types of oil seals (with spring)
4. Protecting the shaft from damage helps optimize your oil seals’ efficiency.

