Which option is best? This decision is left entirely to you. Whatever solution you choose, the seal needs a proper fit to function.


The metal case is the exterior (or frame) of the oil seal, the principal function of which is to give rigidity and strength to the seal. The material of the case must be selected depending on the environment where the seals are to be used. Often the metal case is covered by the same rubber material used in the sealing element, which also helps seal the exterior of the oil seal in the housing bore. Common case material types are:
The material of the sealing lip is chosen according to the liquid to be sealed and the rotational speed. For larger shafts, an NBR sealing lip can cope with surface speeds of up to 10-12 m/s, while an FKM lip is suitable for speeds of up to 35-38 m/s.
What is Oil Seal | Purpose , types of Oil Seal , Advantages

When selecting oil seals for wheel hubs and steering mechanisms, it is essential to prioritize quality, durability, and compatibility with specific vehicle models. High-quality oil seals are designed to withstand the demanding conditions of automotive operation, providing reliable sealing solutions that contribute to the overall performance and safety of the vehicle. Choosing reputable suppliers and manufacturers known for producing high-quality oil seals is crucial to ensure the reliability and longevity of these critical components.
Common Oil Seal Failure Causes
Storage and Handling
Note: For seal type codes, see Table 2.
Have you found the right oil seal for your application? The next step is fitting the oil seal correctly, so that it remains undamaged.