ERIKS type R (type A according to the DIN standard) is identical in shape to type M, but has a rubber outer case with metal reinforcement on the inside. The rubber creates a good seal in the housing, even if the housing has suffered minor damage or is not in its best condition for other reasons. The RST version has a dust lip. These types are often chosen to replace a type with a metal outer case because they are easier to install and can cope with minor damage to the groove, such as scratches.
3. TEMPERATURE: Similar to the pressure level, you need to know what temperature your machinery can operate at. You need to choose a seal that can withstand the heat or cold. PTFE have the widest rang of temperature, making them a safe option when you are uncertain of the range.
Step-by-step plan for correct installation
In automotive applications, the proper functioning of oil seals is crucial for maintaining the performance and longevity of critical components. Trailer hub oil seals and Tora oil seals, among others, are essential for preventing oil leakage, minimizing friction, and protecting internal components from wear and damage. High-quality oil seals contribute to the overall efficiency, safety, and reliability of vehicles and machinery.
The sealing lip is always made of a rubber or synthetic material. For oil seals with a rubber outer case (R, RST, GR, GRST), the rubber quality of the sealing lip and the outer case are the same.
Do you still have specific questions about oil seals installation or want to know the right type for your application? Then please contact our specialists. They will be happy to help you with information and advice.
Construction of an Oil Seal
Finding oil spots under a parked vehicle can be both worrying and stressful for any vehicle owner. If the seal’s leak is small, oil may start to accumulate on the underside of the engine. But as the leak gets bigger, the oil leak will become visible in the front side of the engine.
When the oil seal material and the chemical are not compatible, there will be a chemical attack, which increases at high temperatures. The only way to remedy this is to select the right material for your application. If you’ll be dealing with harsh chemicals, choose oil seals that are made with reliable materials for their compatibility.
If the gap is larger than 0.002 in. (0.05 mm) at any point, have the head or block checked and machined flat by a specialist.

auto parts oil seal. Without proper seals, wheel bearings can wear out quickly, leading to safety risks and costly repairs. In the differentials, oil seals are essential for keeping the gear oil contained and preventing contamination from dirt and debris.

Have you found the right oil seal for your application? The next step is fitting the oil seal correctly, so that it remains undamaged.
Modern engine concepts, like higher engine speeds and oil temperatures, longer intervals between oil changes and lubricants with modern additives, require new solutions for dynamic seals. They have to withstand the high loads lastingly. PTFE technology is the answer, since it perfectly meets these demands.