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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 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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Shaft tube diameter:
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1-2 weeks delivery time Price incl. 19% VAT Any system must be completed, which is why choosing a high-quality endgame for a propeller shaft is a task that should be treated with pedantry. The Hollex endgame is made of bronze and will best serve you for many years. Purchase only quality products.
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€ 32,28
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1-2 weeks delivery time Price incl. 19% VAT Bronze Goodrich bearings from Vetus, Rulag series. Rubber-metal bearing, which is used when operating mechanisms in an aqueous medium. Gudrich bushing ensures tightness and free rotation of propeller shaft. For the greatest convenience of determining the diameter, we have already translated everything into millimeters. Also, our specialists will always help with choosing the right option.
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€ 32,10
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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 The most reliable final element of the propeller shaft. This terminal is made of C45 sea steel. This material will last for many years, is not susceptible to corrosion and other troubles that may arise with metals with salty water. The best products for your yacht.
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€ 20,03
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1-2 weeks delivery time Price incl. 19% VAT Essential stern gland sealing solution, designed specifically for marine applications. Crafted from 100% pure, asbestos-free Rameh fibres, this packing seal ensures optimum performance and longevity. It's lightly lubricated with premium-quality grease using the established Diaplex method. Rameh's inherent properties make it stand out: it retains elasticity, is straightforward to install, possesses solid volume, offers minimal friction, and promises an extended lifespan. Sold by the meter, with the length of the side of the square in the section being indicated as size A.
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€ 13,66
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1-2 weeks delivery time Price incl. 19% VAT These anodes sit very well on the shaft even if they have already eroded. The mount is mounted in both halves of the anode, which ensures its easy installation on the shaft.
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€ 12,99
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1-2 weeks delivery time Price incl. 19% VAT Zinc anode to protect your propeller shaft. If the vessel is used mainly in salt water, this will be the best means to keep the propeller shaft intact. Take care of your yacht.
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€ 11,15
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1-2 weeks delivery time Price incl. 19% VAT The propeller shaft key should be reliable and hold the screw with high quality. This key will be the most correct option, because it is made of stainless steel of the highest quality, and it has nothing to do with sea water. Only quality products for your propellers.
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€ 10,43
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1-2 weeks delivery time Price incl. 19% VAT Constant-Velocity Joint (hinges of equal angular speeds) with built-in thrust bearing. Such a product as Vetus Drive (VDR) imposes less stringent requirements on the permissible vibration of the engine, thanks to the combination of such structural elements as a hinge of equal angular speeds and a thrust bearing.
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1-2 weeks delivery time Price incl. 19% VAT CENTAFLEX ACV is a highly elastic coupling from Exalto that provides maximum comfort and flexible connection in the joint. Torque is transmitted by articulated shaft. The thrust force of the propeller is removed through the thrust bearing and with the help of a flange, which is located directly on the hull of the boat. The motor remains free from the forces created by the propeller and can be mounted elastically. Eleven sizes have proven themselves reliably in operation on various ship drives. Rotational moments 100-14.000 Nm.
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1-2 weeks delivery time Price incl. 19% VAT The CENTAFLEX Centa M Elastic Coupling is specifically designed for flexible coupling applications, particularly in yachts where vibration attenuation is crucial. It is available in two sizes, catering to a range of power requirements from 40 hp to 80 hp (depending on the propeller shaft's speed). Thousands of these reliable couplings have been in operation for decades on motor boats and sailing yachts, ensuring smooth and efficient power transmission.
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1-2 weeks delivery time Price incl. 19% VAT CENTAFLEX-AM is based on the world-famous CENTAFLEX classic clutch, designed specifically for yachts and small commercial vessels. It was retrofitted with an additional rubber thrust bearing for additional thrust force on the propeller. 11 sizes cover the power range of the entire typical series. CENTAFLEX-AM is very flexible and has proven itself reliably on motor boats, large yachts and ferries. Rotating moments 175-14.000 Nm.
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1-2 weeks delivery time Price incl. 19% VAT Aquadrive HDL60.780, 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 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 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 For over 30 years, Aquadrive has been a trusted manufacturer of quality transmissions for marine applications. The advantages of Aquadrive systems are numerous and evident. They transform your boat's propulsion into a smoother, quieter, and vibration-free experience. With Aquadrive, the need for engine alignment becomes unnecessary.
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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 Aquadrive CVB43.30 for shafts 40, 45, 50, 55, 60 and 65 mm, coupling diameter 192 mm, maximum stop 9 kN
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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 Aquadrive CVB30.30 for shafts 40, 45, 50, 55, 60 and 65 mm, coupling diameter 148 mm, maximum stop 9 kN
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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 Aquadrive CVB30.20 for shafts 35, 40, 45 and 50 mm, coupling diameter 148 mm, maximum stop 7 kN
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Our managers will contact you and clarify the terms of the order
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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.