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A: with minor lip
Oil seals are also dirt, lip, shaft, and grease seals. They’re simple devices installed in rotary shaft equipment to minimize the risk of lubricant leakage and prevent other foreign substances such as water, dirt, and dust from entering.


Hydrogenated Nitrile/Highly saturated Nitrile
What are Oil Seals?


If the seal is being fitted to original equipment you may have some influence over the shaft and housing bore finish, but if you are replacing a worn seal you still need to take into account the condition of these 2 essential parts.

Furthermore, the 30-50-10 oil seal is designed to withstand prolonged use and harsh operating conditions. This makes it suitable for a wide range of applications, including automotive, industrial, and agricultural machinery.
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Start the engine and check for oil leaks round the sump flange. Stop the engine and tighten the mountings.


When selecting the oil seal that is right for your machine, it is important that the oil seal be appropriate for the requirements of the usage environment and that it be easily acquired for replacement.
In this month's column, How to select the right oil seal, we conveyed the following points:
1) Oil seal shape and material should be selected based on the housing, substance to be sealed, pressure, rotational speed, total eccentricity, and air-side conditions.
2) Oil seals can show good sealing performance in combination with properly designed shafts and housings.
3) Oil seal performance is affected by not only the type and material of the selected oil seal, but also a variety of other factors, such as operating conditions, total eccentricity, rotational speed, the substance to be sealed, and lubrication conditions. For this reason, diligent care is required in oil seal selection.
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