Question: What is the name of this O-ring?
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This is an O-ring that I removed from a device on YouTube. Since the equipment was imported as a complete unit, it wasn’t cost-effective to purchase individual O-rings, but I don’t know what this O-ring is called. Does anyone know its name? There is a steel ring inside this O-ring.
It is recommended to try searching for “combination washer gasket seal ring” on Taobao.
The oil seal should be a set along with a white ring
The picture looks a bit like this type of oil seal
This is a skeleton oil seal; it should be used in combination with other components to form a set, especially for imported ones, as the chance of a single one breaking is higher. This small plastic part is quite expensive – back in 2018 I bought a set that included 6 such seals, and it cost over 10,000. Forgot what brand it is.
Yeah, it’s very expensive; one imported from Germany costs several hundred.