- Oil Seals which are also known as rotary shaft seals are used to prevent lubricants from leaking and escaping. They protect key components of the machinery from being damaged from various fluids, dirt and dust from getting inside the machines. Oil Seals are a vital component in preventing harmful interactions between moving and static parts. Without using them you could cause expensive damage and halt whole operations. Using our 6 Guidelines for oil seals will help your buying decision. You can read about the different Oil Seals we stock here.
An effective way to ensure particles do not contaminate your oil seal is to store it in a container or sealed bag away from areas where dust and debris are prevalent. Resealable, heavy-duty plastics bags and bins are ideal for keeping your shaft seal protected.



Oil seals, also known as oil lip seals, dirt seals, grease seals, shaft seals, or rotary seals, are used to fill the gaps between stationary and revolving parts of the equipment. They are designed to prevent the leakage of fluids from the machinery and inhibit contaminants from reaching these fluids. They contribute to the longevity and reliability of the equipment like engines and gearboxes in industrial equipment. This post discusses the importance of oil seals, the different types of materials that are used in the manufacturing of oil seals and many more.
No code: without minor lip


The dimensions of the 25x47x7 oil seal refer to its inner diameter, outer diameter, and thickness, respectively. These measurements are important in ensuring a proper fit for the seal in the machine or engine it is intended for. By providing a secure seal between moving parts, the oil seal helps to maintain proper lubrication in the machine and prevent the loss of oil.
2. Oil seal structure and functions
What are oil seals?
Maintenance and Replacement of Oil Seals