| 摘要 |
PROBLEM TO BE SOLVED: To provide a device capable of effectively preventing the corrosion at 100% in a clearance between an inside sleeve and a driving shaft, and capable of adjusting the inside sleeve underwater. SOLUTION: An inside sleeve 7 is provided so as to seal a driving shaft 1 and so as to guide and support the driving shaft 1. The inside sleeve is guided and supported by an outside sleeve, and formed with the inner diameter larger than the outer diameter of the driving shaft. The inside sleeve has at least one oil or lubricating oil supply pipeline 17, and this pipeline is provided with at least one outlet opening 18 in the inside surface area of the inside sleeve, and connected to an oil or lubricating oil supply device.
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