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A boat propeller shaft, particularly for inboard systems, is a critical component designed to transmit power from the engine to the propeller, facilitating the propulsion of the boat. The propeller shaft passes through the hull via a stuffing box or seal, which prevents water entry while allowing the shaft to rotate freely. This setup is crucial for efficient boat operation, ensuring that the propeller receives the engine's power without any significant power loss, thus maintaining optimal performance and fuel efficiency in marine vessels.
1-2 weeks delivery time Price incl. 19% VAT Aquadrive HDL42.680, coupling diameter 192 mm
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Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time Price incl. 19% VAT The CV joint in the Python-Drive kit P200-W for shafts with a diameter of 50 to 60 mm, a maximum torque of 200 Kgm (1960 Nm), a maximum stop of 30 kN. For 200 hp (2200 RPM) engines with a 3:1 gearbox. Coupling diameter 148 mm, coupling length 225 mm (choice)
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Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time Price incl. 19% VAT Rubber-metal bearing and mounting flange are installed in rear part of bronze stern tube.
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€ 58,21
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1-2 weeks delivery time Price incl. 19% VAT The CV joint in the Python-Drive kit P501-L for shafts with a diameter of 60 to 80 mm, a maximum torque of 500 Kgm (4900 Nm), a maximum stop of 45 kN. For 420 hp (1900 RPM) engines with a 3:1 gearbox. Coupling diameter 198.1 mm, coupling length 221 or 260 mm (choice)
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1-2 weeks delivery time Price incl. 19% VAT The CV joint in the Python-Drive kit P60-K for shafts with a diameter of 30 to 40 mm, a maximum torque of 60 Kgm (588 Nm), a maximum stop of 5.7 kN. For 70 hp (2600 RPM) engines with a 3:1 gearbox. Coupling diameter 100 mm, length 145, 165 or 195 mm (choice)
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1-2 weeks delivery time Price incl. 19% VAT Vetus self-aligning internal bearing (gland), has a double seal for reliable protection against water leakage.
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€ 269,97
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1-2 weeks delivery time Price incl. 19% VAT Goodrich bearing from Exalto. Phenol bushings for proper and high-quality operation of your propellers. We will always be happy to help with diameter determination. We have already translated the diameter from millimeters for your greater convenience.
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€ 54,76
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1-2 weeks delivery time Price incl. 19% VAT Goodrich bearing from Exalto. Bronze bushings for proper and high-quality operation of your propellers. We will always be happy to help with diameter determination. We have already translated the diameter from millimeters for your greater convenience.
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€ 67,46
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1-2 weeks delivery time Price incl. 19% VAT The Vetus Bullflex clutch is specially designed for optimal vibration suppression. Vibration due to torsional vibrations due to uneven engine operation, especially at low speeds, is effectively eliminated due to the flexible rubber insert. This prestressed rubber element ensures low noise, no play and no vibration when transmitting torque from the engine to the propeller. The Bullflex clutch reliably protects the gearbox from axial and radial impact, ensuring safe transmission of force under any conditions.
Another strength of the Bullflex clutch is the immaculate installation of the propeller shaft line.
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€ 470,70
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1-2 weeks delivery time Price incl. 19% VAT The highest quality products for the hermetic operation of your system. A Goodrich bearing that will best serve your valolin, with which the rotation of the propeller will be the most reliable. For convenience, we have already converted the diameter to millimeters, which means that you have the choice. And also, our specialists will always tell you which one you need.
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€ 48,69
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1-2 weeks delivery time Price incl. 19% VAT Supplied for shafts from 20 mm to 100 mm in diameter. The outer case is made of phenol, the inner part is made of polyurethane. This bearing is lighter in weight, does not rust, changes easily and is ideal for aluminum vessels. On a separate request, we can put bearings on larger diameter shafts.
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€ 55,78
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1-2 weeks delivery time Price incl. 19% VAT HDL60.700, coupling diameter 275 mm
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Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time Price incl. 19% VAT The Vetus Duplex 1-4462 stainless steel propeller shaft, fully machined, comes complete with key, lock washer and fairing nut (with integrated anode). The taper and keyway are in accordance with ISO 4566 or as requested by the customer.
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€ 290,05
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1-2 weeks delivery time Price incl. 19% VAT Gudrich phenol bearings from Vetus. With them, your valoline will always serve in the right way, and the propeller will always work well, ensuring its full power. We have already translated everything into millimeters for a more convenient diameter calculation. A choice with which our specialists can also help.
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€ 68,07
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1-2 weeks delivery time Price incl. 19% VAT The highest quality products for the hermetic operation of your system. A Goodrich bearing that will best serve your valolin, with which the rotation of the propeller will be the most reliable. For convenience, we have already converted the diameter to millimeters, which means that you have the choice. And also, our specialists will always tell you which one you need.
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€ 58,84
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1-2 weeks delivery time Price incl. 19% VAT Bearing with flange. An excellent temporary solution for prompt repairs. Suitable in the form of repair kits of famous brands of sailing boats (Jeannaux, Beneteau, etc.). Comes complete with two nylon fastening screws. It is possible to supply any size of Gudrich bearings and bushings, contact the Yacht Goods managers.
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€ 28,26
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1-2 weeks delivery time Price incl. 19% VAT Exalto Gudrich phenol bearings. A high-quality product for reliable operation of your propeller and correct design of the valolin. It will last for many years and never cause problems. We translated the diameter into millimeters for the most convenient calculation. However, our specialists are always ready to help you with your choice.
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€ 49,71
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1-2 weeks delivery time Price incl. 19% VAT Don't know how to get stuffed stuffing? Ramen makes a special device for this. Specified packing size in mm (length of square side).
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€ 63,23
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1-2 weeks delivery time Price incl. 19% VAT Vetus ZWBH self-aligning bearing/seal with triple seal is designed for use in shaft lines with water lubrication. It has a 10 mm water hose connector. Operating temperature from 15 ° S to + 85 ° S. It can be used with bronze, steel and GRP deadwood pipes.
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€ 101,37
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1-2 weeks delivery time Price incl. 19% VAT Bronze Goodrich bearings from Vetus. With them, your valoline will always serve in the right way, and the propeller will always work well, ensuring its full power. We have already translated everything into millimeters for a more convenient diameter calculation. A choice with which our specialists can also help.
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€ 33,04
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How does the material of an inboard boat propeller shaft impact its performance and longevity?
The material of an inboard boat propeller shaft significantly influences both its performance and longevity. Typically crafted from stainless steel or sometimes bronze, these materials are chosen for their strength, resistance to corrosion, and ability to withstand the harsh marine environment. Stainless steel shafts, for example, offer excellent toughness and resistance to pitting and crevice corrosion, crucial for maintaining the integrity and efficiency of the marine propeller shaft over time. The durability of these materials ensures that the shaft can handle the mechanical stresses of transmitting power from the engine to the propeller without deforming or failing, thereby providing reliable performance and reducing the need for frequent replacements.
What are the common types of bearings used with marine propeller shafts to ensure smooth operation?
Common types of bearings used with marine propeller shafts include cutlass bearings and roller bearings. Cutlass bearings, made from durable rubber and sometimes embedded with brass or other metals, are particularly favored for their ability to handle the high loads and abrasive conditions typical in the marine environment. These bearings ensure smooth operation by allowing the boat propeller shaft to rotate freely while minimizing friction and wear. Roller bearings, although less common in marine settings due to their susceptibility to corrosion, may also be used in some inboard boat propeller shaft designs where sealed units can protect against water ingress, offering efficient rotational performance and reliability.
What maintenance practices are essential for ensuring the longevity of marine propeller shafts?
Regular maintenance is crucial to ensure the longevity of marine propeller shafts. Key practices include frequent inspections for signs of wear or corrosion, particularly on inboard boat propeller shafts which are constantly exposed to marine elements. Lubrication of the shaft and its bearings is also essential to reduce friction and prevent overheating during operation. Additionally, it's important to check the alignment of the shaft periodically to ensure it has not shifted, as improper alignment can lead to uneven wear and potential damage to both the shaft and associated components, thereby maintaining optimal performance of the boat propeller shaft.