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 Carco Split Seal is a durable sealing solution for shafts with diameters of 60 mm and 85 mm, made from high-quality NBR and stainless steel. It is identified by product number 96060.SPLIT, sold as a single piece, and has an EAN code of 8720193033426. Its dimensions are 60 mm (A), 11 mm (B), and 85 mm (D).
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€ 100,59
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1-2 weeks delivery time Price incl. 19% VAT The Carco Split Seal, designed for shaft dimensions of ø70xø102x12.5 mm, offers a robust sealing solution for various applications. It features a durable construction combining NBR and stainless steel, ensuring optimal performance and longevity. Sold as a single piece, its product number is 96070.SPLIT, and it has an EAN code of 8720193033440.
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€ 100,59
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1-2 weeks delivery time Price incl. 19% VAT The Carco Split Seal is a durable sealing solution designed for shafts with a diameter of 80 mm, featuring a robust construction from NBR and stainless steel. It measures 80 mm in diameter (A), 12.5 mm in width (B), and 112 mm in outer diameter (D). The product number is 96080.SPLIT, and it is sold as a single piece, with an EAN code of 8720193033464.
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€ 113,14
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1-2 weeks delivery time Price incl. 19% VAT The Carco Split Seal is a high-quality sealing solution designed for shafts measuring ø90 mm x ø122 mm x 12.5 mm, made from stainless steel and NBR (Nitrile Butadiene Rubber). With product number 96090.SPLIT and an EAN code of 8720193033488, this durable seal is offered as a single piece by the Carco brand.
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€ 125,71
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1-2 weeks delivery time Price incl. 19% VAT The Double-row Spherical Roller Bearing 22206CK-St-ø30xø62x20 is engineered for high load capacity and reliability, making it suitable for various applications. Its robust construction ensures optimal performance even in challenging conditions. The product number is 22206CK-St-ø30xø62x20, and it is sold as one piece with an EAN code of 8720193059877, under the White Label brand.
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€ 132,10
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1-2 weeks delivery time Price incl. 19% VAT The Double-row Spherical Roller Bearing 22207EK is engineered for high-performance applications, offering exceptional load capacity and reliability. It is sold as a single piece and has an EAN code of 8720193059884, under the White Label brand.
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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 The double-row spherical roller bearing 22308CK-St-ø40xø90x33 22308CCKW33 is engineered for high load capacity and durability, making it suitable for various industrial applications. It is sold as a single piece, has an EAN code of 8720193059891, and is branded under White Label.
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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 The Double-row Spherical Roller Bearing 22309CK-St is designed for high performance and durability, capable of handling heavy radial and axial loads, making it suitable for various industrial applications. It is sold as a single piece and is branded under White Label, with an EAN code of 8720193059907.
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€ 237,68
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1-2 weeks delivery time Price incl. 19% VAT The Double-row Spherical Roller Bearing 22311E-St-ø55xø120x43 (22311EK) is designed for high load capacities and durability, making it ideal for various applications. It accommodates misalignment, ensuring optimal performance, and is available as a single piece under the White Label brand, with an EAN code of 8720193059938.
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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 The Double-row Spherical Roller Bearing 22316EK is engineered for high load capacity and reliability, making it suitable for various industrial applications. It comes as a single piece, with an EAN code of 8720193059976 and is branded under White Label.
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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 The Double-row Spherical Roller Bearing 23222CK-St-ø110xø240x80 23222CCK-W33 is designed for high load capacity and durability, ensuring reliable performance in various applications. It is sold as a single piece and has an EAN code of 8720193060354, under the White Label brand.
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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 The Hollex adapter flange 2.2 Yanmar 4" - 4" Hurth is an essential part for boat enthusiasts seeking quality and reliability. Designed for Yanmar engines and Hurth reverse couplings with a 4-inch diameter, this flange ensures a seamless connection for optimal performance. Its durable construction provides lasting reliability, allowing you to enjoy your time on the water without worry. Upgrade your boat with this high-quality component for a smooth and efficient experience.
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€ 90,95
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1-2 weeks delivery time Price incl. 19% VAT The Hollex adapter flange 2.3 is a high-quality component designed for Yanmar engines and Hurth transmissions, featuring a 5-inch diameter on one side and 4 inches on the other for a seamless fit. Made from durable materials, it ensures reliable performance even in demanding water conditions, making it ideal for both experienced sailors and newcomers to water sports. Upgrade your Yanmar engine with this adapter flange for a smooth and dependable boating experience.
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€ 90,86
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1-2 weeks delivery time Price incl. 19% VAT The Hollex adapter flange 3.2 is the ideal solution for connecting your Volvo engine with a Hurth transmission, featuring a 4-inch diameter on both sides for a perfect fit. Crafted from high-quality materials for durability, it ensures smooth and reliable performance in harsh water conditions. Easy to install, this adapter flange is essential for both seasoned and novice boaters looking to enhance their on-water experience.
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€ 90,95
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1-2 weeks delivery time Price incl. 19% VAT The Hollex Flexible Coupling 4" Hurth-ZF-140Nm is a durable and reliable component designed for various mechanical applications. It accommodates misalignments and efficiently transmits torque up to 140 Nm, making it ideal for use with Hurth-ZF systems. Each unit is sold individually.
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€ 67,38
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1-2 weeks delivery time Price incl. 19% VAT The Hollex Flexible Coupling 4"-5" Hurth-ZF-310Nm (Product Number: 94700) is designed for reliable performance across various applications. With a torque rating of 310 Nm and made from high-quality flexible material, it ensures durability and adaptability, making it essential for marine, automotive, and industrial uses.
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€ 159,59
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1-2 weeks delivery time Price incl. 19% VAT The Hollex Flexible Coupling Evolastic 860 is engineered for efficient power transmission, featuring a robust design that minimizes vibration and noise. Its flexible construction makes it suitable for various industrial and commercial applications, ensuring reliable performance.
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€ 1.126,57
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1-2 weeks delivery time Price incl. 19% VAT The Hollex Flexible Coupling Evolastic 860 is a durable and flexible solution for connecting 4"/5" pipes with a diameter of ø40mm. Made from high-quality elastomer, it excels in plumbing and drainage systems, providing excellent vibration absorption and reliability.
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€ 1.126,57
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1-2 weeks delivery time Price incl. 19% VAT The Hollex Flexible Coupling Evolastic 860, with a diameter of ø45mm (4"/5"), is designed for effective fluid transfer in plumbing applications. Made from high-quality elastomer, it offers flexibility, durability, and easy installation, ensuring reliable performance over time.
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€ 1.126,57
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1-2 weeks delivery time Price incl. 19% VAT The Hollex Flexible Coupling Evolastic 860, with a diameter of ø50mm, is designed for 4"/5" pipes, offering reliable performance and flexibility. Made from high-quality elastomer, it provides vibration dampening and shock absorption, making it ideal for plumbing, HVAC, and industrial systems, while ensuring easy installation and maintenance.
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€ 1.126,57
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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