"> Scana Scana Propeller Shaft 300
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Scana

Scana Propeller Shaft 300

A 300 mm diameter forged‑steel propeller shaft from Scana, intended for the main propulsion line of merchant vessels and designed to transmit torque between gearbox and propeller with high fatigue resistance; source-listed capacity 300 mm diameter. The supplied category identifies it as Propeller Shaft, and it is normally installed in the main propulsion shaft line between the engine or gearbox and the propeller. In that role, its primary purpose is to transmit propulsion torque while remaining accurately aligned and supported by shaft bearings. Propeller shafts extend to the propeller and stern tube, while intermediate shafts connect shaft-line sections inside the vessel; both are critical rotating structural components. Within the supplied list, this entry is distinguished from neighbouring variants by its model designation and the explicitly listed capacity; no further model-specific difference is stated in the source. No additional performance, approval or construction detail is inferred from the model code beyond the information supplied in the source record. For exact ratings, dimensions, settings, capacities, materials and variant-specific limits, refer to the manufacturer documentation for the exact figure.

300 mm diameter
Capacity

Components & Design

Component data being added…

Technical Data

shaft type propeller shaft
diameter mm 300
material forged steel

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Common failures & inspection points

Misalignment causes elevated bearing loads, vibration and uneven coupling or bearing wear
Fatigue cracking at fillets, keyways, flanges or highly stressed areas threatens shaft integrity and may first appear as vibration or inspection indications
Corrosion or fretting at exposed or fitted surfaces causes material loss and poor coupling contact
Coupling-bolt looseness or flange movement causes fretting, noise or abnormal vibration
Bearing or seal problems can score the shaft surface and lead to heat, leakage or progressive damage

Service & Maintenance

Inspect shaft surfaces where accessible, flange joints, coupling bolts, alignment references and bearing behaviour. Review vibration, bearing-temperature and alignment trends and pay particular attention after grounding, propeller damage or major propulsion work. Non-destructive examination should follow the approved survey or repair plan. Refer to the manufacturer and class documentation for the exact figure for alignment, runout, crack and wear limits.

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Replacement Parts

Carry approved coupling bolts, nuts, locking devices, shaft-seal interface parts and repair provisions identified for the installed shaft line; complete shafts are normally strategic shore spares.
Equipment Model #68768 · ✓ still in production