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 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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€ 49,66
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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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€ 73,75
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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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€ 55,86
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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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€ 63,35
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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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€ 50,70
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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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€ 60
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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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€ 37,81
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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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€ 62,89
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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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€ 61,80
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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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€ 50,57
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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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€ 490,27
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1-2 weeks delivery time Price incl. 19% VAT TOR Marine VTR propeller shaft bracket. These brackets are made of bronze. Each model comes complete with bearing grease. A great advantage of these brackets is that they can be set at any angle and at different heights. Thus, you will achieve maximum accuracy when placing. All dimensions in millimeters.
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€ 376,62
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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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€ 194,71
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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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€ 811,62
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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 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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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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€ 50,99
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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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€ 10,89
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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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€ 14,05
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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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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.
The precision in manufacturing inboard propeller shafts is crucial for optimal performance and longevity. Leading manufacturers use CNC (Computer Numerical Control) machining to ensure that each prop shaft is crafted to exact specifications, maintaining balance and reducing vibrations. This precision helps in achieving a seamless fit between the prop shaft and the prop hub, which is essential for the smooth transmission of power. Utilizing advanced manufacturing techniques, these inboard propellers are designed to meet the high standards of the marine industry, ensuring reliable and efficient operation in various boating conditions.
What are the common types of bearings used with marine prop 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.
Stainless steel inboard propellers and custom propeller solutions are crucial for achieving high performance and reliability in various boating conditions. Boat builders often choose stainless steel shafts and custom inboard propellers for their strength and resistance to corrosion. Various companies offer a range of shaft sizes and materials, including A19, A17, and A22 stainless shafts, ensuring durability and precision. Custom inboard propellers and shafts are machined to exact specifications, such as SAE J755 standards, to provide the best fit and performance. These components are essential for maintaining the integrity of the boat's propulsion system, reducing the risk of issues like bent prop shafts, and ensuring consistent and efficient power delivery.
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.
Maintaining the boat shaft also involves understanding the specific needs and variations of your equipment. General propeller-gp and exclusive boat shaft solutions are available for different boating requirements, ensuring the right fit and performance. OEM stock parts, including propeller tapers, are known throughout the marine industry for their reliability. Contact us for more information on our selection of precision-machined, high-strength shafts, which are cut to SAE J755 standards and offered with quick delivery. Our products strive to provide exceptional and innovative solutions for all boating needs. We look forward to assisting you with the finest boat shafts and components to support your important boating skills.
What types of Boat Propeller Shaft do you have in your catalog?
Stern Tubes for Boats, Cutlass Bearings, Propeller Shaft Seals, Boat Propeller Nuts, Flexible Shaft Couplings, Marine CV Joint & Drive Shafts