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The oil seal surface vertical to the center line of the shaft on the side that does not come in contact with substances to be sealed is called the back face. - Furthermore, the oil seal 12 22 5 also helps to maintain the lubrication system of the machinery, ensuring that the moving parts are properly lubricated. This is essential for reducing friction and wear on the components, ultimately improving the efficiency and performance of the equipment.
- Over time, the oil seal can become worn or damaged due to exposure to extreme temperatures, UV rays, and road debris
oil seal wheel hub. This can lead to leaks and ultimately, failure of the seal. When this happens, it's important to replace the seal promptly to prevent further damage to the hub and bearings.
Installation techniques must be carefully selected and executed to ensure the seal functions correctly throughout its service life. Each technique addresses specific installation needs and ensures long-term reliablity.
WHY SHOULD YOU CHOOSE ?
Due to having a higher density, Viton has the widest temperature range of -40°F to over 400°F (-40°C to over 240°C) making it a perfect choice for higher temperature applications. Viton® also has the largest range of chemical resistance, i.e., it is resistant to silicone oil and grease, mineral/vegetable oil and grease, aliphatic, aromatic, and chlorinated hydrocarbons, non-flammable hydraulic fuels as well methanol fuels, and more.


Notes
*1 ASTM: American Society for Testing and Materials
*2 For more details on fluid compatibility, please see the following:
2. Oil seal structure and functions
Outer case



The basic principle of sealing is straightforward – the flexible lip is held against the rotating part (usually the shaft) whilst the casing (or O.D.) is pressed into the housing or bore and holds the seal in place. The sealing lip needs some form of lubrication to avoid overheating and is usually energized by means of a garter spring.