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 Centaflex Clamping Hub AM400 (Product Number: 94770.060) is a high-quality steel component designed for reliable connections in various mechanical systems. Sold as a single piece, it is a durable and efficient choice for optimal performance. The EAN code for this product is 8720193037974, and it is manufactured by the brand Centa.
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex Clamping Hub M127, designed for shaft ø25, is a durable and reliable component made from high-quality steel, ensuring effective connection for various applications. It has a product number of 94711.025, is sold as a single piece, and carries the EAN code 8720193074269 under the Centa brand.
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€ 148,41
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex Clamping Hub M127, designed for reliable performance and durability, is constructed from high-quality steel to ensure a solid connection for optimal power transmission. It is sold as a single piece, has the product number 94711.030, and features an EAN code of 8720193074276, representing the Centa brand.
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€ 148,41
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex Clamping Hub M127 (Product Number: 94711.035) is a durable and reliable solution for connecting shafts with a diameter of 35mm in various mechanical applications. Made of steel, it is sold as a single piece and is manufactured by the Centa brand, with an EAN code of 8720193074283.
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€ 139,81
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex Clamping Hub M160, designed for a shaft diameter of 25 mm (Product Number: 94702.025), is a high-quality, durable product that ensures reliable performance in various applications. Sold as a single piece, it is part of the Centa brand and has an EAN code of 8720193074177.
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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 Centaflex Clamping Hub M160, with product number 94702.030, is designed for robust coupling solutions, ensuring secure fastening and reliable performance across various applications. Sold as a single piece and carrying the EAN code 8720193074184, this high-quality product is from the Centa brand.
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€ 234,50
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex Clamping Hub M160, designed for a shaft diameter of ø35, provides reliable coupling solutions with excellent flexibility and durability for various applications. The product number is 94702.035, sold as a single piece, and it is manufactured by Centa, with the EAN code 8720193074191.
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€ 234,50
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex Clamping Hub M160 is engineered for reliable performance, providing optimal clamping force for secure fitting on shafts with a diameter of 40 mm. It is sold as a single piece (Product Number: 94702.040), under the brand Centa, and has an EAN code of 8720193074207.
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€ 210,30
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex Coupling AM12 is a durable and reliable solution for flexible connections in mechanical applications, making it a popular choice among professionals. It is sold as a single piece under product number 94703.001, with an EAN code of 8720193074214, and is produced by the brand Centa.
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex Coupling AM140 is a durable and efficient component designed for various marine applications, ensuring reliable power transmission between machinery. It has a product number of 94740.001, is sold as a single piece, features an EAN code of 8720193074351, and is manufactured by the Centa brand.
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€ 1.916,03
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex Coupling AM200 is a durable and reliable product designed for optimal performance in various applications. Known for its excellent flexibility and vibration damping, it is a preferred choice among professionals. Key details include the product number 94750.001, sold individually, with an EAN code of 8720193074405, from the brand Centa.
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex Coupling AM22, with product number 94704.001 and EAN code 8720193074221, is a high-quality component from the Centa brand designed to improve the performance and longevity of machinery. Sold as a single piece, its robust construction and innovative design make it suitable for various applications.
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€ 680,63
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex Coupling AM250 Untreated, with product number 94760.001, is a dependable mechanical component designed to efficiently handle vibrations while ensuring robust coupling efficiency. It is sold as a single piece and is manufactured by Centa, with an EAN code of 8720193037929.
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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 Centaflex Coupling AM28 is a reliable coupling designed for effective torque transmission in marine and industrial applications. It has the product number 94705.001, is sold as a single piece, and is from the Centa brand, with an EAN code of 8720193074238.
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€ 1.313,26
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex Coupling AM30 Untreated, product number 94710.001, is a crucial component for ensuring smooth machinery operation. Sold as a single piece, this reliable coupling from the brand Centa is designed for various applications and has an EAN code of 8720193074252.
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€ 1.017,19
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex Coupling AM400 is a reliable and efficient component used in various applications, identified by product number 94770.001, sold as a single piece, and associated with the EAN code 8720193037967 under the Centa 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 Centaflex Coupling AM50 is a durable and reliable solution for efficient power transmission and vibration reduction, making it suitable for various applications. With product number 94720.001, it is sold as a single piece and is branded by Centa, featuring an EAN code of 8720193074337.
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€ 1.139,80
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex Coupling AM80 Untreated is a flexible coupling suitable for marine and industrial applications, designed to reduce vibration and misalignment for smoother operation. It has a product number of 94730.001, is sold as a single piece, features an EAN code of 8720193074344, and is manufactured by Centa.
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€ 1.660,98
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex M127 is a crucial component for marine and industrial applications, known for its reliable performance and efficiency. It is sold individually (Product Number: 94701.001) and features an EAN Code of 8720193074450, from the brand Centa.
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€ 596,16
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex M127 is a durable and efficient coupling designed for Yanmar engines, known for its reliable performance. This high-quality product, with the product number 94701.003 and EAN code 8720763500303, is sold as a single piece under the Centa brand.
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Our managers will contact you and clarify the terms of the order
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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