"> Blohm+Voss / Aegir Marine (Germany/Netherlands) White Metal Stern Tube Bearing
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Blohm+Voss / Aegir Marine (Germany/Netherlands)

White Metal Stern Tube Bearing

An oil‑lubricated white‑metal (Babbitt) stern tube bearing that supports the propeller shaft within the stern tube, providing a low‑friction load‑bearing surface while being lubricated by the vessel’s stern‑tube oil system.

Blohm+Voss / Aegir Marine (Germany/Netherlands) White Metal Stern Tube Bearing
Shaft diameter 150-1,000 mm
Capacity
Oil lubricated
Medium

Components & Design

Component data being added…

Technical Data

type Oil-Lubricated Stern Tube Bearing (White Metal / Babbitt)
variant count approx 5
period start year 1900
drive type Passive (oil lubricated via stern tube oil system)
construction White metal (tin-based Babbitt) cast in bronze or steel housing

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Common failures & inspection points

●White metal wiping from shaft misalignment or sudden load
●Oil contamination from seawater ingress past stern tube seal
●Oil loss to sea from seal failure — MARPOL environmental concern
●Bearing temperature rise from oil degradation

Service & Maintenance

Stern tube oil level/quality check daily. Oil temperature monitoring continuous. Oil analysis every 3 months. Bearing clearance measurement at drydock. White metal re-casting if wiped — specialized shore facility.

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Replacement Parts

Multiple manufacturers (Aegir Marine Netherlands, Blohm+Voss Germany, local foundries). White metal re-pour: 1-3 weeks at specialized facility. Emergency repair at drydock.
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Equipment Model #37802 · ✓ still in production