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 M127 Excl. Hub Connection, product number 94701.002, is a high-quality component designed for Volvo vehicles, offering exceptional flexibility and durability for improved performance and efficiency. Sold as a single piece, it is manufactured by Centa and has an EAN code of 8720193074467.
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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 M127 is a durable coupling designed for efficient connection of Yanmar marine engines to drive systems, ensuring reliable performance under demanding conditions. The product number is 94701.035YAN, sold as a single piece, and it is manufactured by Centa with an EAN code of 8720193036410.
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€ 684,75
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex M160 is a high-quality flexible coupling designed for reliable performance across various applications, accommodating different shaft sizes for enhanced durability and efficiency. It is sold as a single piece under product number 94702.001 and features an EAN code of 8720193074474, proudly carrying the Centa brand.
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€ 985,82
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1-2 weeks delivery time Price incl. 19% VAT The Centaflex M160 is a durable and reliable flexible coupling from the brand Centa, designed for efficient power transmission in various applications. It comes with a product number of 94702.PARAGON, is sold as a single piece, and has an EAN code of 8720193036427.
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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 Layshaft (Product Number: 94810.001) is designed for optimal power transmission in industrial machinery, specifically compatible with AGM30P models. Featuring a diameter of ø35 mm, it is made from high-strength composite materials, ensuring durability and efficiency. With low vibration and high flexibility, this layshaft delivers reliable performance in various applications.
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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 TOR Marine Retaining Ring is designed for shafts with a diameter of 25mm and is made from AISI 316 stainless steel, ensuring durability and corrosion resistance in marine environments. It is sold as a single piece and has an EAN code of 8055323041492.
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€ 3,49
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Retaining Ring is designed for marine applications, ensuring reliable performance and durability. Made from high-quality stainless steel 316, it secures shafts effectively and comes as a single piece with a diameter of 30 mm. The product number is RONDE-30, and it has an EAN code of 8055323041508.
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€ 3,90
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Retaining Ring for Shaft ø35mm, product number RONDE-35, is a reliable solution for secure shaft retention in marine applications. Made of stainless steel 316, it comes in a sales unit of one piece and has a diameter of 35 mm. Its EAN code is 8055323041515, and it is manufactured by TOR Marine.
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€ 4,48
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Retaining Ring for Shaft ø40mm (RONDE-40) is a high-quality product designed for secure shaft retention in maritime applications. It is sold as a single piece, features a diameter of 40 mm, and is made from durable stainless steel 316, ensuring long-lasting performance. The EAN code for this product is 8055323041522.
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€ 5,27
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Retaining Ring, with product number RONDE-45, is a crucial component for securely holding shafts with a diameter of 45 mm in place, ensuring stability and durability in marine applications. Made from high-quality Stainless Steel 316, it is sold as a single piece and is identified by the EAN code 8055323041539 under the reputable TOR Marine brand.
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€ 6,66
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine retaining ring, designed for secure shaft retention in marine applications, is made from durable Stainless Steel 316 to withstand harsh environments. With a product number of RONDE-50, it has a diameter of 50 mm and is sold as a single piece. Its reliability and effective performance make it an essential component for marine setups, and it is identified by the EAN code 8055323041546.
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€ 8,59
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine retaining ring is designed for 55mm shafts and made from high-quality AISI 316 stainless steel, ensuring durability and excellent corrosion resistance, making it perfect for marine applications. Product number RONDE-55, sold individually, features an EAN code of 8055323041553 and is a reliable choice from the TOR Marine brand.
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€ 10,82
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Retaining Ring (Product Number: RONDE-60) is a durable and reliable solution designed for shafts with a 60mm diameter, crafted from high-quality Stainless Steel 316 to ensure longevity. It is sold as a single piece and is essential for various marine applications. EAN Code: 8055323041560.
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€ 13,99
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Outer Bearing Housing TP-35 is a durable and high-quality brass component designed for marine applications, ensuring optimal performance and reliability in challenging environments. With an inner diameter of 35 mm and an outer diameter of 35 mm, this unit is sold as a single piece and features various dimensions, including B: 58 mm, C: 48 x 1.5 mm, D: 75 mm, E: 46 mm, F: 8.5 mm, I: 150 mm, and L: 145 mm. The product number is TP-35, and its EAN code is 8055323042857.
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€ 279,85
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Outer Bearing Housing TP-45 is a durable and reliable component designed for marine applications, featuring a robust bronze construction. With a product number of TP-45, it has an as diameter and outer diameter of 45 mm, and includes various dimensions such as B: 72 mm, C: 61 x 2.0 mm, D: 95 mm, E: 50 mm, F: 10.5 mm, I: 160 mm, and L: 170 mm. The product is sold as a single piece and has an EAN code of 8055323042871 under the TOR Marine brand.
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€ 417,59
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Cap Nut with Zinc Anode (Product Number: OES-45-27P2.0) is specifically designed for marine applications, offering excellent corrosion resistance and durability in harsh environments. This essential component for boat maintenance is made from a reliable zinc anode and is compatible with marine hardware, ensuring optimal performance.
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€ 115,04
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Cap Nut with Zinc Anode 50-27 is engineered for excellent performance and durability in marine environments, offering crucial corrosion protection for your boat's metal components. With a product number of OES-50-27P1.5, this zinc anode is specifically designed for marine equipment and serves the important function of safeguarding against corrosion.
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€ 162,97
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Cap Nut With Zinc Anode is a durable component designed for marine applications, meeting rigorous standards for extended performance in harsh environments. With a product number of OES-50-27P2.0 and dimensions of 76 mm in diameter and 113 mm in length (M27 x 2.0 thread), it is suitable for ZN50 and sold as a single piece. The product is identified by EAN code 8055323046190 and is manufactured by TOR Marine.
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€ 162,97
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Cap Nut With Zinc Anode (Product Number: OES-50-36P3.0) is a durable component designed for marine applications, featuring a 50 mm diameter and crafted from high-quality brass and zinc materials. With dimensions of 76 mm in diameter and 113 mm in length, it is suitable for ZN50 and offers excellent protection against marine conditions. This reliable product comes as a single piece, making it a valuable addition for marine maintenance needs.
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€ 162,97
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Cap Nut with Zinc Anode (Product Number: OES-55-40P3.0) is a reliable and durable component designed for marine applications. With a diameter of 55 mm and constructed from zinc and brass, this product measures 81 mm in diameter and 121 mm in length. It is suitable for ZN55 and features an M40 x 3.0 threading, ensuring optimal performance in various conditions. The unit is sold as a single piece and has an EAN code of 8055323041355.
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€ 188,75
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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