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 Exalto Propeller Oil Cooling System is designed to provide efficient lubrication for the Exalto propeller shaft. Available in types SA and SV, it features a seal directly on the shaft and must be securely attached below the stern pipe to ensure optimal performance and reliability.
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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 includes receivers of SB and SC types, and the seals are engineered to allow for a small radial clearance, ensuring smooth operation. This system should be installed below the stern pipe in the seal housing to ensure optimal cooling and lubrication.
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1-2 weeks delivery time Price incl. 19% VAT Volvo Seal Tube Grease is a high-performance lubricant designed for various applications, providing optimal protection and extending the lifespan of your machinery. It comes in a 25-gram tube and is sold as a single piece, with the product number 828250.1 and an EAN code of 8720193037301.
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€ 9,08
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1-2 weeks delivery time Price incl. 19% VAT The Volvo Seal VP-NBR-ø1 1/2" is a high-quality seal designed for durability and optimal performance, made from NBR (Nitrile Butadiene Rubber). It is sold as a single piece and has an EAN code of 8720193037271.
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€ 361,73
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1-2 weeks delivery time Price incl. 19% VAT The Volvo Seal VP-NBR-ø1 1/4", with an outside dimension of ø2", is a high-quality product designed for durability and optimal performance. Made from premium NBR (Nitrile Butadiene Rubber), it ensures a reliable seal for various applications. The product number is 3819725, and it is sold as a single piece with an EAN code of 8720193037264.
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€ 295,12
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1-2 weeks delivery time Price incl. 19% VAT The Volvo Seal VP-NBR is a high-quality sealing solution designed for optimal performance in various applications. Engineered to meet strict automotive industry standards, this durable product ensures reliability and longevity. It features a product number of 3819727, comes as a single piece, and is made of Nitrile Butadiene Rubber (NBR).
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€ 428,36
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1-2 weeks delivery time Price incl. 19% VAT The Volvo seal VP-NBR-ø1" is crafted from high-quality NBR (Nitrile Butadiene Rubber) and features an outside dimension of ø1 3/4". It is sold as a single piece and is identified by the product number 3819724, with an EAN code of 8720193037257. This seal is designed for optimal performance and durability in various applications.
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€ 224,88
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1-2 weeks delivery time Price incl. 19% VAT The Volvo Seal VP-NBR-ø2" with an outside dimension of ø2 3/4" (product number 3819728) is a durable and high-quality seal made from NBR (Nitrile Butadiene Rubber). It is sold as a single piece and has an EAN code of 8720193037295.
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€ 461,07
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1-2 weeks delivery time Price incl. 19% VAT The Volvo Seal VP25-NBR-ø25/B42mm (Product Number: 828254.3) is a high-quality seal designed for reliable performance and durability. It comes as a single piece with a diameter of 25 mm and has an EAN code of 8720193037318, ensuring authenticity and compatibility with Volvo products.
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€ 217,35
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1-2 weeks delivery time Price incl. 19% VAT The Volvo Seal VP30 is a durable sealing solution with a diameter of 30 mm, sold as a single piece. Its product number is 828422.6, and it has an EAN code of 8720193037325, ensuring high quality for various applications.
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€ 260,90
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1-2 weeks delivery time Price incl. 19% VAT The Volvo Seal VP35-NBR is a durable and reliable sealing solution designed for various applications. With a diameter of 35 mm, it comes as a single piece and is identified by the product number 828526.4 and EAN code 8720193037332, ensuring high-quality performance for your machinery.
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€ 338,98
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1-2 weeks delivery time Price incl. 19% VAT The Volvo Seal VP40-NBR is a reliable sealing solution with a diameter of 40 mm, designed for demanding applications. Sold as a single piece, it features a robust construction and is identified by the EAN code 8720193037349.
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€ 386,46
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1-2 weeks delivery time Price incl. 19% VAT The Volvo Seal VP45-NBR-ø45/B64mm (Product Number: 3819722) is a high-quality seal made from NBR (Nitrile Butadiene Rubber), designed for optimal performance and durability. It has a diameter of 45 mm and is sold as a single piece, with an EAN code of 8720193037233.
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€ 417,05
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1-2 weeks delivery time Price incl. 19% VAT The Volvo Seal VP50-NBR-ø50/B70mm (Product Number: 3819723) is a durable and high-quality seal made from NBR (Nitrile Butadiene Rubber). It has a diameter of 50 mm and is sold as a single piece, with an EAN code of 8720193037240.
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€ 451,57
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine Lipseal F1000 is a durable and high-performance marine seal, designed for reliability in various applications. It features a shaft diameter of 1.000 inches, a bore diameter of 1.850 inches, and a seal width of 0.375 inches, making it an ideal choice for secure fittings.
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€ 43,47
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine Lipseal F1250 (LSF1250) is a reliable sealing solution for marine applications, featuring a shaft diameter of 1.250 inches, a bore diameter of 2.062 inches, and a seal width of 0.500 inches. This product, sold as a single piece, is designed to ensure optimal performance and durability.
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€ 48,05
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine Lipseal F1500 (LSF1500) is a high-performance marine seal designed for durability, featuring a shaft diameter of 1.500 inches, a bore diameter of 2.500 inches, and a seal width of 0.500 inches. It is sold as a single piece, with an EAN code of 8720193081977, and is categorized under the LUP seal type by the Tides Marine brand.
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€ 56,06
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine Lipseal F2000 (LSF2000) is a high-performance sealing solution designed for marine applications, featuring a shaft diameter of 2.000 inches, a bore diameter of 2.750 inches, and a seal width of 0.500 inches. It is sold as a single piece, with the EAN code 8720193076393, and is known for its reliable LUP seal type.
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€ 69,78
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine Lipseal F2250 is a high-quality marine seal designed for optimal performance and durability. It features a shaft diameter of 2.250 inches, a bore diameter of 3.250 inches, and a seal width of 0.500 inches. This reliable LUP seal, sold as a single piece, is identified by the EAN code 8720193082004 and is a trusted product from the Tides Marine brand.
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€ 69,78
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine Lipseal F2500 is a nitrile lip seal designed for marine applications, featuring a shaft diameter of 2.500 inches, a bore diameter of 4.000 inches, and a seal width of 0.500 inches. It is sold as a single piece under the brand Tides Marine, with the seal type classified as LUP. The product is identified by the EAN code 8720193076409.
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€ 69,78
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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