| 摘要 |
The sealing unit (16) has a sealing ring formed of a flexible rubber-like material, and parts i.e. roller bearings of a wind turbine, rotatable against each other. The sealing ring is fixed at one of the parts, and has a sealing lip. A round-turning recess is provided for inserting a spring , and is provided in an interior of the sealing ring. The recess is accessible over a round-turning cut from outside. A round-turning extension is provided at the sealing ring for fixing the ring in a groove-like recess of one of the parts.
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