Oil seals, also referred to as shaft seals, are widely used to prevent the leakage of medium (such as oils and grease) along a rotating shaft. This leak prevention is primarily achieved by the sealing element which can be made from a wide range of materials that are chosen according to each application. They are commonly used in gearboxes, hydraulic cylinders, and related components.
J: Additional code is added here as an identifier when two or more seals have exactly the same type codes and dimensional numbers.
NBR, also known as nitrile rubber or nitrile, is the most popular material for an oil seal because of its good resistance to many oils and greases, such as mineral grease and hydraulic oil. Depending on their composition, synthetic oils and greases, such as those based on glycol, can damage NBR rubber materials. Depending on the amount of glycol, a PTFE lip seal may be the best choice. NBR is also unable to cope with contact with acids and solvents. The rubber is suitable for oil and grease at temperatures from -35 °C to 100 °C.
Also known as a Rotary Shaft Seal, Shaft Seal, Lip Seal, Elastomeric Lip Seal or any variation of these. It is a simple device for excluding dust, dirt, water or any other contaminant whilst retaining lubricant in rotary shaft equipment. Generally, it has been developed as a means of protecting the bearings of rotating shafts.
Material Code ISO 1629
DIN
The price of car oil seals can vary based on several factors, including the type of seal, material quality, brand reputation, and market demand. High-quality oil seals designed for specific automotive applications may command a higher price due to their precision engineering, durability, and compatibility with various engine models. When considering the price of car oil seals, it's important to prioritize quality and reliability to ensure optimal performance and longevity in the vehicle's engine system.
Before you begin the installation process for any power transmission component, the first goal is making sure everything is clean and free of any material flaws such as nicks, burrs, scratches, dents, et cetera. Most of these components have very tight tolerances, so maintaining this accuracy is important in their performance.This is especially critical for oil seals because of their function.
The ignition spark plug is essentially a small device that is screwed into the cylinder head of the engine. It consists of a central electrode, an insulator, and a ground electrode. When the engine's piston compresses the air-fuel mixture in the cylinder, the spark plug creates a spark that ignites the mixture, causing combustion to occur.
• High eccentricity-following lip shape
In this guide, we will dwell deeply on oil seals and discuss everything that you need to know, such as what it is, how it works, why it fails sometimes, materials used in making it, factors to consider in choosing the right one for your application, and so on.



Table 2 a): Common types of oil seals (with spring)
Oil seals are always exposed to a lot of chemicals, both mild and harsh chemicals. The seals react by showing some signs like cracks, blisters, and discoloration especially when the chemical is harsh. This clearly shows that the chemical is not compatible with the seal, which goes as far as affecting its cross-link density (increase or decrease). When the cross-link density increases, the seal material becomes harder, but when it decreases, the seal material becomes softer.
Helix Seal

advantage:
Replace the sump drain plug tightly and refill the engine with the right amount and grade of oil.