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 TOR Marine Cap Nut with Zinc Anode (Product Number: OES-60-34P2.0) is a durable component designed for marine applications, providing excellent corrosion resistance for enhanced longevity and performance. With an outside diameter of 60 mm and overall dimensions of 89 mm in diameter and 140 mm in length (M34 x 2.0 thread), this product is made of brass and zinc, making it compatible with ZN60. It is sold as a single piece and has an EAN code of 8055323041362.
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€ 254,67
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Cap Nut is a durable and reliable component for marine applications, featuring a zinc anode and brass construction to protect against corrosion. With a product number of OES-60-42P3.0, it has a diameter of 60 mm and dimensions of 89 mm in diameter and 140 mm in length, compatible with ZN60. This high-quality part is sold individually and ensures longevity in harsh environments.
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€ 254,67
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Cap Nut with Zinc Anode (Product Number: OES-60-45P3.0) is a crucial component for marine applications, offering durability and corrosion protection in tough environments. With a diameter of 60 mm and a product size of 89 mm in diameter and 140 mm in length, this zinc and brass nut is compatible with model ZN60. It features a thread size of M45 x 3.0 and is sold as a single piece. The EAN code for this product is 8055323041386.
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€ 254,67
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Clamp Flange KLF25/30-RG5-ø50 is specifically designed for robust marine applications, ensuring a secure and tight connection for various maritime uses. With a suitable pipe diameter of 50mm, it is made from high-quality marine-grade materials that are corrosion-resistant and built for longevity, making it ideal for securing and connecting marine equipment.
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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 Clamp Hub ø25xø100, with product number 25-FM-100, is designed for durability and performance in marine applications. This essential component ensures secure connections and reliable operation for boats and marine equipment. Sold as a single piece, it features an EAN code of 8055323040945 and is branded by TOR Marine.
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€ 174,22
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Clamp Hub, with product number 30-FM-100, is engineered for reliable performance in marine applications. Measuring ø30xø100, this precision-crafted clamp hub ensures a secure fit and optimal functionality. Sold individually, it is brought to you by TOR Marine and has an EAN code of 8055323040952.
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€ 174,22
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Socket Nut KR45-RG7 is specifically engineered for optimal performance in marine environments, made from high-quality, corrosion-resistant metal. With dimensions of ø108 mm x 457.5 mm x 2 mm, this product offers reliability and durability for marine installations and fittings, featuring precision engineering for secure fastening.
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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 Mounting Flange is engineered for secure installation of marine equipment, featuring a tube diameter of 39mm and accommodating a 25mm shaft. Made from durable marine-grade materials, it ensures reliable mounting across various marine applications, enhancing stability and safety in tough conditions. Product number FT25.
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€ 79,43
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1-2 weeks delivery time Price incl. 19% VAT The TOR marine mounting flange is designed for securely attaching components in marine applications, featuring a robust and corrosion-resistant design for durability. With a tube diameter of Ø45mm and a compatible shaft diameter of Ø30mm, it allows for easy installation and is versatile enough to work with various marine equipment. Product Number: FT30.
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€ 79,43
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Mounting Flange is a durable and corrosion-resistant solution designed for mounting applications in marine environments, featuring a flange diameter of 48mm and a shaft diameter of 35mm. Made from high-quality marine-grade material, it ensures a secure fit and optimal performance, making it suitable for both marine and industrial uses. Easy to install, this mounting flange offers reliability and strength for various applications.
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€ 138,36
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Propeller Extractor is a durable steel tool designed for efficiently removing 3 to 4 blade propellers with shaft diameters between 25mm and 50mm, making it ideal for both professional and DIY marine maintenance. Product Number 9525500, it is sold as a single piece and is compatible with a variety of propellers in this size range.
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€ 473,79
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Propeller Extractor (Product Number: 9655900) is a vital tool for efficiently removing marine propellers with 3, 4, or 5 blades, accommodating shaft sizes from ø55 to ø90mm. Built for high-performance use, it ensures durability and ease of use, making boat maintenance quick and effective.
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€ 678
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Stern Tube is a durable brass component designed for marine applications, ensuring longevity and corrosion resistance. With a length of 1000 mm and an inner diameter of 32 mm, it accommodates a shaft diameter of 25 mm and features an outer diameter of 39 mm. This high-quality product, sold as a single piece under product number TA25.1000, is ideal for various watercraft environments and is identified by the EAN code 8720193048437.
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€ 174,21
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine stern tube, model TA25.1500, is a high-quality brass component designed for secure and efficient operation in marine applications. With an inner diameter of 32mm, outer diameter of 39mm, and a length of 1500mm, it is essential for protecting the ship's shaft, accommodating a shaft diameter of 25mm. This reliable stern tube ensures a robust seal and is sold as a single piece, featuring an EAN code of 8720193048451.
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€ 249,53
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Stern Tube, product number TA30.1250, is a high-quality brass component designed for marine applications, featuring an external diameter of 45 mm, internal diameter of 38 mm, and a length of 1250 mm, suitable for a shaft diameter of 30 mm. It ensures durability and reliability in various marine environments and is sold as a single piece. The product is made by TOR Marine and has an EAN code of 8720193048499.
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€ 288,22
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Stern Tube is a vital component for marine propulsion systems, designed for a shaft diameter of 30mm. Made from high-quality brass, it features an inner diameter of 38mm, an outer diameter of 45mm, and a length of 1500mm, ensuring durability and reliability. This product, identified by the number TA30.1500 and branded by TOR Marine, is sold as a single piece and has an EAN code of 8720193048505.
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€ 342,02
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Stern Tube, designed for marine applications, is crafted from high-quality brass and measures 1750mm in length. It features an inner diameter of 38mm and an outer diameter of 45mm, making it compatible with a 30mm shaft (Product Number: TA30.1750). This reliable and durable stern tube is sold as a single piece, with an EAN code of 8720193048512, and is a product of TOR Marine.
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€ 395,82
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Stern Tube is a robust brass tube measuring 50mm in outer diameter and 40mm in inner diameter, with a length of 1000mm, specifically designed for marine applications. It offers durability and reliable performance in challenging maritime conditions, identified by product number TA25-30.1000 and EAN code 8720193048468, and is sold as a single piece by the TOR Marine brand.
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€ 176,13
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Stern Tube, with product number TA25-30.1250, is a high-quality brass component designed for durability and efficiency in marine applications. Measuring 1250 mm in length, it features an inner diameter of 40 mm and an outer diameter of 50 mm, providing a reliable connection for propeller shafts. This product is sold as a single piece and comes with the EAN code 8720193048475.
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€ 215,46
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1-2 weeks delivery time Price incl. 19% VAT The TOR Marine Stern Tube is a durable brass component, measuring 50 mm in external diameter and 40 mm in internal diameter, perfect for marine applications due to its excellent corrosion and wear resistance. With a length of 3000 mm, it is identified by product number TA25-30.3000 and is sold as a single piece. The EAN code for this product is 8720193048482 and it is manufactured by TOR Marine.
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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