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.
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1-2 weeks delivery time Price incl. 19% VAT The Vetus WCAPS1/2 Water Scoop Kit for Ø 40-45-50 mm offers a comprehensive solution for water intake in marine and boating systems. Designed to fit Ø 40-45-50 mm applications, this kit includes all the necessary components for easy installation and efficient water intake, ensuring optimal performance for your vessel's water system.
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€ 75,50
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1-2 weeks delivery time Price incl. 19% VAT The Vetus ZWBKIT is a comprehensive solution for water lubrication of the ZWB series screw shaft system. Offering two methods for water supply, either through a water scoop with a ball valve, hose nozzle, water hose, and clamps, or by diverting a small amount of external cooling water from the main engine, the ZWBKIT is versatile and efficient. Specifically designed for the second method, this kit includes a T-piece (18 -10 -18 mm), 3 meters of Ø 10 mm hose (DWHOSE10A), and 4 hose clamps, providing all the necessary components for seamless water lubrication. Ensure optimal performance of your ZWB series with the reliability and convenience of the Vetus ZWBKIT, enhancing the lubrication process and contributing to a smooth and efficient operation of your marine system.
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€ 23,50
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1-2 weeks delivery time Price incl. 19% VAT The Vetus FLK25 is an internal bronze mounting flange designed for the Vetus BL25 Series Stern Tubes, featuring a shaft end with an outer bearing and a mounting flange. Its cutouts facilitate easy bearing replacement, and additional flanges may be required for securing the inner end of the tail boom, available separately.
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€ 60
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1-2 weeks delivery time Price incl. 19% VAT The Vetus FLK30 is a specialized mounting flange designed for stern tubes with a Ø 30mm diameter, categorized as type FLK for shaft systems. Featuring a bronze star tube with an outer bearing and a dedicated mounting flange at the shaft end, this product facilitates easy bearing replacement through strategically designed cutouts. For added stability, a separate order may be placed for a second flange to secure the inner end of the tail boom. Elevate the reliability of your shaft system with the precision engineering of the Vetus FLK30 mounting flange, ensuring efficient and secure functionality for marine applications.
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€ 68
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1-2 weeks delivery time Price incl. 19% VAT The Vetus FLK35 is a specialized mounting flange designed for stern tubes with a Ø 35mm diameter, categorized as type FLK for shaft systems. This integral component features a bronze star tube with an outer bearing and a dedicated mounting flange at the shaft end. The strategically designed cutouts in the tube make bearing replacement easy. For added stability, consider ordering a second flange separately to secure the inner end of the tail boom. With precision engineering, the Vetus FLK35 ensures reliable and efficient functionality, making it a valuable choice for marine applications requiring a Ø 35mm mounting flange.
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€ 105,50
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1-2 weeks delivery time Price incl. 19% VAT The Vetus FLK40 is a specialized mounting flange tailored for stern tubes with a Ø 40mm diameter, categorized as type FLK for shaft systems. This integral component features a bronze star tube with an outer bearing and a dedicated mounting flange at the shaft end. Engineered with intelligently designed cutouts, the FLK40 ensures easy bearing replacement, contributing to seamless maintenance. For enhanced stability, a second flange can be ordered separately to secure the inner end of the tail boom. With precision engineering, the Vetus FLK40 stands as a reliable and efficient solution, making it an ideal choice for marine applications that demand a Ø 40mm mounting flange.
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€ 110
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1-2 weeks delivery time Price incl. 19% VAT The Vetus FLK45 is a specialized mounting flange designed for stern tubes with a Ø 45mm diameter, identified as type FLK for shaft systems. This essential component features a bronze star tube with an outer bearing and a dedicated mounting flange at the shaft end. With intelligently designed cutouts in the tube for easy bearing replacement, the FLK45 ensures seamless maintenance. For enhanced stability, consider ordering a second flange separately to secure the inner end of the tail boom. Precision engineering makes the Vetus FLK45 a reliable and efficient solution, ideal for marine applications that demand a Ø 45mm mounting flange.
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€ 116
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1-2 weeks delivery time Price incl. 19% VAT The Vetus FLK50 is an internal bronze mounting flange designed for the Vetus BL50 Series Stern Tubes. It features a shaft end with an outer bearing and a mounting flange, with cutouts designed for easy bearing replacement. Additionally, a second flange may be necessary to secure the inner end of the tail boom, which can be ordered separately.
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€ 200,50
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1-2 weeks delivery time Price incl. 19% VAT The Vetus BL25/500 bronze stern tube features a mounting flange and an outer cutlass bearing at the rear, with slots designed for easy cutlass bearing replacement. Suitable for 25mm diameter shafts, it includes a propeller nut with an integrated zinc anode. Additionally, it offers two options for water lubrication: either through a water scoop with ball valve or by tapping water from the engine's cooling circuit, with a kit provided for the latter option.
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€ 406,50
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1-2 weeks delivery time Price incl. 19% VAT The Vetus BL25/+ is a surcharge applied for every additional 500mm of bronze stern tube length, offering a durable and efficient solution for marine systems needing extended lengths.
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€ 52
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1-2 weeks delivery time Price incl. 19% VAT The Vetus BL30/500 Bronze Stern Tube, featuring a diameter of 30 mm and a length of 500 mm, is a meticulously crafted water-lubricated propeller shaft bearing designed for polyester and wooden ships. Engineered for optimal performance in marine environments, this stern tube provides a reliable and durable solution for enhancing the efficiency of your marine propulsion system. Whether chosen for a new installation or as a replacement, the BL30/500 offers precise water-lubricated functionality, making it suitable for both polyester and wooden vessels. Elevate the reliability of your marine equipment with confidence, as this bronze stern tube ensures longevity and optimal functionality in various marine setups.
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€ 533,50
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1-2 weeks delivery time Price incl. 19% VAT The Vetus BL30/+ applies a surcharge per 500mm increment of bronze stern tube length, providing customizable options that ensure corrosion resistance and optimal system functionality for various marine vessel needs.
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€ 64,50
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1-2 weeks delivery time Price incl. 19% VAT The Vetus BL35/1000 Bronze Stern Tube with Cutlass Bearing, measuring 35mm in diameter and 1000mm in length, features a rear design equipped with an outer cutlass bearing and a mounting flange, with the option for an inner flange (FLK). Its strategically designed slots facilitate easy replacement of the cutlass bearing, ensuring smooth and efficient operation.
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€ 914
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1-2 weeks delivery time Price incl. 19% VAT The Vetus BL35/+ surcharge is applied for every 500mm of bronze stern tube length, offering flexibility and durability for demanding marine environments and custom tube length requirements.
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€ 101
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1-2 weeks delivery time Price incl. 19% VAT The Vetus BL40/1000 Bronze Stern Tube with Cutlass Bearing, measuring 40mm in diameter and 1000mm in length, is a robust and essential component engineered to ensure smooth and reliable operation of marine propulsion systems. With features including an outer cutlass bearing, a mounting flange, and strategically placed slots for easy bearing replacement, this stern tube provides sturdy support and streamlined maintenance, making it a dependable choice for both commercial and recreational vessels.
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€ 1.003,50
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1-2 weeks delivery time Price incl. 19% VAT The Vetus BL40/+ model includes a surcharge for every additional 500mm of length, ensuring the right specifications for medium-duty marine vessels and reliable performance in diverse marine environments.
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€ 132
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1-2 weeks delivery time Price incl. 19% VAT The Vetus BL45/1000 Bronze Stern Tube is crafted from high-quality stainless steel, specifically the "Duplex 1-4462" type, renowned for its superior corrosion resistance and impressive tensile strength. Additionally, its hardness surpasses that of conventional materials like AISI 316, enhancing its performance in (rubber) bearings. The shaft comes with standardized features such as a 1:10 taper and keyway, accompanied by matching accessories like a key, tab washer, and propeller nut with an integrated zinc anode. With dimensions specified for easy installation, this stern tube offers reliability and durability for marine applications.
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€ 1.359,50
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1-2 weeks delivery time Price incl. 19% VAT The Vetus BL45/+ model comes with a surcharge per 500mm of length, offering increased size for greater strength and capacity, ideal for larger boats or applications requiring additional power and resilience.
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€ 141,50
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1-2 weeks delivery time Price incl. 19% VAT The Vetus BL50/1000 bronze stern tube combines robust construction with convenient maintenance features, boasting an outer cutlass bearing and a mounting flange at the rear. With its carefully designed slots, the tube ensures effortless replacement of the cutlass bearing, guaranteeing smooth and efficient operation over its 1000mm length.
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€ 1.665
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1-2 weeks delivery time Price incl. 19% VAT The Vetus BL50/+ includes a surcharge per 500mm of length, offering high-performance capabilities ideal for specialized marine use, ensuring strength and endurance under tough conditions.
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€ 151,50
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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