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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 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 The Exalto Propeller Oil Cooling System with Receiver is a specialized lubrication system designed for the Exalto propeller shaft. It is crucial that this system is precisely positioned on the bushing and includes a receiver of SB and SC types. The seals within the system are designed to allow for a small radial clearance.
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1-2 weeks delivery time Price incl. 19% VAT The Hollex 2V propeller shaft seal is made of bronze.
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€ 353,28
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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 The pre-screw cutter can be installed without removing the screw. Used to protect the screw from networks, wire, packets, etc. The shaft diameter is specified.
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€ 189
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1-2 weeks delivery time Price incl. 19% VAT The Exalto Propeller Oil Cooling System is designed for the efficient lubrication of the Exalto propeller shaft, specifically available in types SA and SV. This system incorporates a seal directly on the shaft and should be securely attached below the stern pipe.
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1-2 weeks delivery time Price incl. 19% VAT SKF SR thrust bearing. Exalto supplies two types of bearings: - Type ST: has a conical clamping sleeve that is mounted na the ingekamerde axis. - Type SR: with a conical clamping sleeve that is pressed directly onto the outside diameter of the shaft. The bearing is approximately 1/3 full of oil. Delivery up to 100 mm. Large bearings are available upon request. All dimensions in millimeters
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€ 1.044,29
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1-2 weeks delivery time Price incl. 19% VAT Flexible coupling, has a special conical retainer, which guarantees one hundred percent concentric fit. This saves installation time.
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€ 350,27
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1-2 weeks delivery time Price incl. 19% VAT The Exalto Propeller Shaft-Hub Clamping Set is a versatile and adaptable solution designed for various marine applications. The connection flange is available in two forms: standard and machined, providing flexibility to meet specific requirements. These flanges can be customized to be compatible with CV joint couplings, Aquadrive thrust bearings, and all commonly used gearboxes.
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€ 441,52
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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 TOR FLM connecting flange made of stainless steel grade C45, body galvanized. Fully zinc-treated and available in a variety of sizes. The diameter is indicated in the product card, or our specialist will find the right one for you. Elevation R in the table indicates the number of bolt holes in the flange. Versions Ø 25 and 30 mm for the shaft have a "connector 4." The connecting flange for the shaft Ø 35 and 40 mm has a 5 "connector.
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€ 144,08
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1-2 weeks delivery time Price incl. 19% VAT The main feature of these couplings is the possibility of breaking the shaft line by 2 °. These couplings dampen axial and radial vibration, providing a flexible connection between the shaft and the gearbox.
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€ 430,57
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1-2 weeks delivery time Price incl. 19% VAT The Hollex 1V propeller shaft seal is made of bronze.
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€ 208,56
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1-2 weeks delivery time Price incl. 19% VAT Vetflexseal stern tube seal. The body is made of high-quality composite material. Because of the bellows, the structure can be easily mounted on the sleeve. The seal shall be placed in close proximity to the bearing. The mechanism does not have an independent supply of lubrication, you will have to do it manually.
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1-2 weeks delivery time Price incl. 19% VAT Goodrich phenol 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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€ 60,51
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Shaft tube diameter:
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1-2 weeks delivery time Price incl. 19% VAT This propeller shaft tip is equipped with a zinc anode, and it itself is made of brass. The best protection for your propeller shaft that does not give in to corrosion. It will last a very long time and will not cause any problems. The best solutions for your vessel.
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€ 47,52
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1-2 weeks delivery time Price incl. 19% VAT Set of water intake with ball valve, 1 m water hose and hose clamps
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€ 50,13
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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 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 Pre-screw cutter. It is necessary to take into account the number of knives under the blades of the screw. 2 blades 2 and 3 blades, 3 blades - 3 and 5 blades, 4 blades - 4 blades. Used to protect the screw from networks, wire, packets, etc.
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€ 793,58
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Item:
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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.