- The 30% pertains to the metal component, often steel or iron, which forms the backbone of the oil seal. This metallic element gives the seal its structural integrity and strength, allowing it to withstand the pressures within the mechanical systems. It acts as a barrier against wear and tear, ensuring the longevity of the seal and the machinery it protects.
Double Metal Shell - a. Nitrile Rubber (NBR) – this is the most commonly used material. It has good heat resistance properties and has good resistance to salt solutions, oils, hydraulic oils, and gasoline. Operating temperatures are recommended from -40 to 248⁰ F (-40 to 120 deg.C). Nitrile also functions well in a dry environment, but only for intermittent periods. The disadvantage of this material is poor chemical resistance.
Installation


A number of variables must be considered when selecting oil seals. There are nine factors that designers and maintenance engineers must evaluate when oil seals are specified:
Rotary Wheel Of Auto Parts
Figure 5: Shaft surface with and without lead marks
Advantages:
– Good static sealing
– Compensation of different thermal expansion
– Reduced risk of fretting corrosion
– Higher bore surface roughness is allowed
– Installation in split-housings
– Modern lip design provides low radial forces
Rotary Wheel Of Auto Parts
In conclusion, industrial oil seals and hub oil seals are essential components in industrial and automotive systems, contributing to the efficiency, performance, and reliability of machinery and equipment. Understanding the significance of these seals and the factors affecting the price of oil seals can guide informed decision-making when selecting these critical components for industrial applications.
Most oil seals consist of some basic elements that configure their structure, such as the sealing element, the metal case, and the spring:
Shaft Hardness
Oil seals, which are also referred to as radial shaft seals, rotary shaft seals, grease seals, or fluid seals, are used to close the gaps between fixed and moving parts of mechanical equipment. They are put between moving and stationary mechanical parts to make sure that moisture, contaminants, corrosive materials, and abrasives don’t cause any damage to these parts.
Furthermore, Mico spark plugs are available in a variety of sizes and heat ranges to suit different types of engines and driving conditions. Whether you own a compact car, a sports vehicle, or a heavy-duty truck, there is a Mico spark plug that will meet your specific needs. Additionally, Mico spark plugs are competitively priced, making them a cost-effective choice for vehicle owners looking to improve their engine performance.
Different Types of Oil Seals
Do you still have specific questions about oil seals installation or want to know the right type for your application? Then please contact our specialists. They will be happy to help you with information and advice.

