Stern Tube Bearing · Shaft Line Equipment
Regular maintenance can significantly extend the lifespan of your stern tube system. Aegir Marine's Oil-Free Stern Tube System, specifically the AOFS-200 to AOFS-800 series, offers a reliable and zero-oil solution for shaft diameters ranging from 200 to 1,000 mm. This complete system uses polymer bearings and face seals, ensuring no oil is required, making it ideal for seawater lubrication. Common issues include wear on the face seal due to debris or polymer bearing degradation in silty waters, as well as air entrapment leading to bearing noise. Routine inspections at drydock, along with monthly checks of the seawater supply system filter, can prevent these problems. Aegir Marine provides complete engineering for retrofit installations, ensuring your system is optimized for longevity and reliability.
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Bearing clearance check at drydock. Face seal inspection at drydock. Seawater supply system filter check monthly. Zero oil consumption — no oil monitoring needed.
Aegir Marine (Heerhugowaard, Netherlands). Lead time: 4-8 weeks. Complete system engineering for retrofit available.
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