Radial shaft seal

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Science and technology

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What Wikipedia says

Radial shaft seals, also known as rotary lip seals, are used to seal rotary elements, such as a shaft or rotating bore. Common examples include strut seals, hydraulic pump seals, axle seals, power steering seals, and valve stem seals.

Excerpt from the Wikipedia article “Radial shaft seal”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Juan de Vojníkov, CC BY-SA 3.0, via Wikimedia Commons.