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 Seal, designed for shafts with dimensions Ø140xØ180x16 mm, combines Nitrile Butadiene Rubber (NBR) and stainless steel for enhanced durability and wear resistance. It is sold individually (Product Number: 96140) and is suitable for various applications, marked with an EAN code of 8720193033563.
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€ 150,84
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1-2 weeks delivery time Price incl. 19% VAT The Carco Seal, product number 96025, is a high-quality seal designed for shafts with an inner diameter of 25 mm, outer diameter of 47 mm, and a thickness of 10 mm. Made from durable NBR and stainless steel materials, this reliable seal ensures optimal performance and longevity across various applications. It is sold as a single piece and is identified by the EAN code 8720193033297.
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€ 58,10
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1-2 weeks delivery time Price incl. 19% VAT The Carco Seal (Product Number: 96030) is a high-quality seal for shafts measuring Ø30mm x Ø52mm with a thickness of 10mm. Made from durable NBR (Nitrile Butadiene Rubber) and stainless steel, it ensures reliability and longevity in various applications. This product is sold as a single piece and features an EAN code of 8720193033310.
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€ 62,90
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1-2 weeks delivery time Price incl. 19% VAT The Carco Seal (Product Number: 96035) is a durable sealing solution for shafts, measuring 35mm inner diameter, 57mm outer diameter, and 10mm width. Made from high-quality NBR and stainless steel, it offers reliability in various applications. It is sold as a single piece and has an EAN code of 8720193033334.
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€ 62,90
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1-2 weeks delivery time Price incl. 19% VAT The Carco seal (Product Number: 96040) is a high-quality sealing solution designed for shafts with inner and outer diameters of 40 mm and 65 mm, respectively, and a width of 11 mm. Made from a durable combination of NBR and stainless steel, this seal effectively prevents leaks and enhances operational efficiency. It is sold as a single piece and is associated with the EAN code 8720193033358.
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€ 75,45
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1-2 weeks delivery time Price incl. 19% VAT The Carco Seal NBR/Stainless Steel (Product Number: 96045) is designed for exceptional durability and performance, featuring a 45 mm inner diameter and dimensions of 45 mm (A), 11 mm (B), and 70 mm (D). Made from Nitrile Butadiene Rubber (NBR) and stainless steel, this seal is sold as a single piece and has an EAN code of 8720193033372, making it suitable for various applications.
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€ 75,45
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1-2 weeks delivery time Price incl. 19% VAT The Carco Seal (Product Number: 96050) is designed for shaft applications, made from durable stainless steel and NBR (Nitrile Butadiene Rubber). With dimensions of 50 mm for A, 75 mm for D, and 11 mm for B, this seal offers reliability for various engineering and mechanical uses. It is sold as a single piece and has an EAN code of 8720193033396.
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€ 87,76
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1-2 weeks delivery time Price incl. 19% VAT The Carco Seal, product number 96060, is a reliable and durable sealing solution ideal for various applications. With dimensions of 60 mm inner diameter, 11 mm thickness, and 85 mm outer diameter, this seal is constructed from stainless steel and NBR, ensuring a tight seal and effective performance in diverse environments. It is sold as a single piece and is essential for maintaining the efficiency of your machinery.
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€ 100,59
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1-2 weeks delivery time Price incl. 19% VAT The Carco Seal, designed for optimal performance and durability, is suitable for various shaft sealing applications. Made from a combination of NBR (Nitrile Rubber) and stainless steel, it offers excellent wear resistance and longevity. With product number 96070, it features a diameter of 70 mm, a thickness of 12.5 mm, and an outer diameter of 102 mm. Sold as a single piece, it is identified by the EAN code 8720193033433 and is a reliable choice for demanding sealing needs.
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€ 100,59
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1-2 weeks delivery time Price incl. 19% VAT The Carco seal, designed for reliable performance, features high-quality NBR and stainless steel construction for durability and wear resistance. With dimensions of 80 mm (A), 12.5 mm (B), and 112 mm (D), it is sold as a single piece under product number 96080. The seal ensures tight sealing across various applications and is identified by EAN code 8720193033457.
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€ 113,14
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1-2 weeks delivery time Price incl. 19% VAT The Carco Seal (Product Number: 96090) is a durable sealing solution made from NBR and stainless steel, designed for reliable use in various industrial applications. With dimensions of Ø90 mm for the inner diameter, Ø122 mm for the outer diameter, and a thickness of 12.5 mm, it offers excellent resistance to wear and tear, making it an ideal choice for diverse environments. The product is sold individually and has an EAN code of 8720193033471.
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€ 125,71
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1-2 weeks delivery time Price incl. 19% VAT The Carco Split Seal is designed for optimal sealing on shafts, made from durable materials for long-lasting performance. It features dimensions of 100 mm for A, 12.5 mm for B, and 132 mm for D, and is constructed from both stainless steel and nitrile butadiene rubber (NBR). The product number is 96100.SPLIT, sold as one piece, and carries the EAN code 8720193033501.
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€ 150,84
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1-2 weeks delivery time Price incl. 19% VAT The Carco Split Seal is a durable sealing solution for shafts measuring 110 mm in diameter and 150 mm in diameter, with a thickness of 16 mm. Made from high-quality NBR and stainless steel, it offers effective sealing and longevity for various applications. The product number is 96110.SPLIT, and it is sold as a single piece. The EAN code is 8720193033525.
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€ 150,84
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1-2 weeks delivery time Price incl. 19% VAT The Carco Split Seal, designed for reliable performance and durability, is an essential component for various applications. It has the product number 96120.SPLIT and is sold as a single piece. With an EAN code of 8720193033549, this seal features dimensions of 120 mm (A), 16 mm (B), and 160 mm (D), and is made from NBR (Nitrile Rubber) and stainless steel.
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€ 150,84
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1-2 weeks delivery time Price incl. 19% VAT The Carco Split Seal (product number 96025.SPLIT) is designed for high-performance applications, ensuring a reliable seal for shafts with a diameter of 25 mm and a width of 10 mm. Made from durable NBR and stainless steel, it enhances the longevity and efficiency of machinery in various environments. The seal measures 25 mm in diameter, 10 mm in width, and 47 mm in outer diameter, and is available as a single piece (EAN code: 8720193033303).
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€ 58,10
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1-2 weeks delivery time Price incl. 19% VAT The Carco Split Seal is a reliable sealing solution designed for shafts with a diameter of 30 mm, featuring a durable construction made from high-quality NBR and stainless steel. This product, with a product number of 96030.SPLIT, is sold as a single piece and is ideal for various applications requiring resistance to wear and tear. It measures 30 mm in height, 10 mm in thickness, and 52 mm in diameter.
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€ 62,90
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1-2 weeks delivery time Price incl. 19% VAT The Carco Split Seal, designed for 35 mm diameter shafts, offers a reliable sealing solution made from high-quality NBR (Nitrile Butadiene Rubber) and stainless steel, ensuring durability and resistance to environmental factors. Product number 96035.SPLIT, it is sold as a single piece with dimensions of 35 mm (A), 10 mm (B), and 57 mm (D).
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€ 62,90
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1-2 weeks delivery time Price incl. 19% VAT The Carco Split Seal, designed for shafts with dimensions ø40xø65x11 mm, is a reliable sealing solution known for its durability and optimal performance. Constructed from NBR (Nitrile Butadiene Rubber) and stainless steel, this component is versatile for various applications, with a product number of 96040.SPLIT and an EAN code of 8720193033365. Each unit is sold individually.
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€ 75,45
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1-2 weeks delivery time Price incl. 19% VAT The Carco Split Seal, designed for reliable sealing in various applications, features dimensions of 45 mm in diameter (A), 11 mm in thickness (B), and 70 mm (D), and is made from durable NBR (Nitrile Butadiene Rubber) and stainless steel. This product, with the number 96045.SPLIT and EAN code 8720193033389, is sold as a single piece and is known for its excellent performance.
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€ 75,45
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1-2 weeks delivery time Price incl. 19% VAT The Carco Split Seal, designed for optimal sealing performance, is a high-quality product made from durable materials, including stainless steel and nitrile rubber (NBR). With dimensions of 50 mm (A), 11 mm (B), and 75 mm (D), it ensures reliability and longevity in various applications. The seal is sold as a single piece, under product number 96050.SPLIT, with an EAN code of 8720193033402.
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€ 87,76
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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