Elring supplies liquid sealants, head gaskets and also oil seals. The extensive range almost always offers a solution for an engine block and quality is can’t be missed in Elring's product range.
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- Shaft oil seals are typically made of rubber, metal, or a combination of both materials. The seal is located on the outer edge of the shaft, where it comes into contact with the housing. The design of the seal is crucial to its effectiveness, as it needs to be able to withstand the friction and heat generated by the rotating shaft.
The functionality of oil seals in between machines cannot be emphasized. Apart from their primary function of preventing the entry and escape of elements that can damage the machines, they also help to elongate the machines’ lifespan.
What are Oil Seals – A guide to Oil and Rotary Shaft Seals
1. Criteria for selecting oil seals


Replacing a distributor oil seal or gasket



0.1 to 0.32 μmRa and 0.8 to 2.5 μmRz
and the lead angle to no greater than 0.05°. (There is a risk that the lead marks will impede the sealing performance of the oil seal: see Figure 5.)
Metal
Oil seals are commonly made from materials such as rubber, silicone, or polyurethane, with each material offering different properties and advantages. Rubber seals are flexible and cost-effective, making them suitable for a wide range of applications. Silicone seals offer high temperature resistance and chemical compatibility, while polyurethane seals are durable and abrasion-resistant.
What are Oil Seals and how do they work?