The group of oil seals used in dynamic applications include radial shaft seals that seal a rotating shaft around its circumference. They are also known as lip seals, but in this blog we will use the term oil seals.
Rubber on outer diameter with a carbon steel insert & stainles steel spring. - The quality and condition of diesel glow plugs significantly impact the overall efficiency of the engine
- Frictionless lip design

These seals are designed to fit snugly around the shaft of the machine, preventing oil from leaking out while also keeping dirt, dust, and other contaminants from entering.
What are Oil Seals – A guide to Oil and Rotary Shaft Seals
The perfect solution to this is to always use an oil seal that fits properly; the right size of the seal should be used. And in other cases, backup devices should be used to avoid the buildup of clearance gaps within the mating edges.


Improper installation can cause your oil seal to malfunction. While being tapped into place, it can become tilted or misaligned in the bore. That being said, setting it up correctly will help ensure that the sealing process is effective.
Rotary Wheel Of Auto Parts
Generally, oil seals vary in materials and types based on the corresponding application. Common materials include: