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 Tides Marine SureSeal Twin Injection 110x165mm is a high-quality shaft seal designed for twin engine installations. Made from composite and silicone materials, it offers durable, leak-proof sealing and reliable performance in marine environments. With a housing diameter of 165 mm and shaft diameter of 110 mm, this seal is engineered for easy installation and long-lasting protection.
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€ 3.313,02
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection 110x178mm is designed for twin engine installations, featuring a 110 mm shaft diameter and a 178 mm housing diameter. Made from durable composite and silicone materials, it ensures excellent sealing performance. With a model number of FSKM110M178M1, this product is ideal for marine environments, offering reliable performance with dimensions of 178 mm in diameter and 294 mm in length.
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€ 3.313,02
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection is a composite shaft seal designed for twin engine installations. Made from silicone, it features a 115mm shaft diameter and 152mm casing diameter, ensuring a durable and reliable seal for marine applications. The product is part of the Twin Injection series and is sold as a single piece (FSKM115M152M1), offering excellent performance in harsh environments.
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€ 3.555,55
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection 115x165mm (FSKM115M165M1) is designed for twin engine installations. It features a shaft diameter of 115 mm and a tube diameter of 165 mm, made from high-quality silicone and composite materials. The product is branded by Tides Marine and comes with an EAN code of 8720193080628. It is part of the Twin Injection series and is specifically designed for twin engine setups.
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€ 3.555,55
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection is designed for twin engine installations, featuring a 115mm shaft diameter and a 178mm tube diameter. Made from composite and silicone materials, it ensures reliable sealing and durability. This product, with the number FSKM115M178M1, is sold as a single piece and is ideal for marine applications requiring a twin seal solution.
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€ 3.555,55
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection 120x152mm (FSKM120M152M1) is designed for twin engine installations. It features a 120 mm shaft diameter, 152 mm tube diameter, and is made of high-quality silicone and composite materials. This product ensures durability and performance, with an EAN code of 8720193080642, and is part of the Twin Injection series from Tides Marine.
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€ 3.850,70
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection is designed for twin engine installations, featuring a 120mm shaft diameter and 165mm housing diameter. Made from durable silicone and composite materials, it ensures a secure fit and reliable performance for marine applications. The product number is FSKM120M165M1, and it is compatible with twin engine setups.
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€ 3.850,70
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection (FSKM120M178M1) is designed for twin engine installations, featuring a 120 mm shaft diameter and 178 mm housing diameter. Made from composite materials and silicone, it offers durability and reliability for marine applications. The product is branded by Tides Marine and is suitable for twin engine configurations.
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€ 3.850,70
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection is designed for twin engine installations, featuring a shaft diameter of 125 mm and a tube diameter of 165 mm. Made from durable silicone and composite materials, it ensures a secure and reliable seal. The product number is FSKM125M165M1, and it is compatible with twin engine setups, providing long-lasting performance.
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€ 4.273,98
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection 125x178mm FSKM125M178M1 is designed for twin engine installations, featuring a composite and silicone construction for reliable sealing. It has a shaft diameter of 125mm and a tube diameter of 178mm, ensuring precise fit and long-lasting protection. This product offers durability and efficiency for marine applications.
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€ 4.273,98
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection 130x152mm is designed for twin engine installations, featuring a 130mm shaft diameter and a 152mm tube diameter. Made from composite and silicone materials, this product offers a durable and reliable seal. It is identified by the product number FSKM130M140M1 and is compatible with twin engine setups.
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€ 4.389,53
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection 130x165mm (FSKM130M165M1) is designed for twin engine installations, featuring a 130mm shaft diameter and 165mm tube diameter. Made from composite and silicone materials, this durable product ensures effective sealing in demanding marine conditions. It is sold as a single piece and is part of the Twin Injection series.
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€ 4.389,53
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection 130x178mm (FSKM130M178M1) is designed for twin engine installations, featuring a 130 mm shaft diameter and a 178 mm housing diameter. Made from durable silicone and composite materials, this product ensures a reliable seal and long-lasting performance in marine environments. It is suitable for twin engine setups and comes with an EAN code of 8720193080710.
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€ 4.389,53
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection 140x140mm is designed for twin-engine installations, featuring a composite body and silicone seal for durability. With a 140mm shaft and tube diameter, this high-performance seal ensures reliable operation in marine environments. The product number is FSKM140M140M1, and it is specifically made for twin engine applications.
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€ 5.261,26
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection 140x165mm FSKM140M165M1 is designed for twin engine installations, made from durable silicone and composite materials. It features a 140mm shaft diameter and a 165mm tube diameter, ensuring a reliable seal for marine environments. The product is part of the Twin Injection series and is branded by Tides Marine.
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€ 5.261,26
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection 140x178mm FSKM140M178M1 is designed for twin engine installations. Made from composite and silicone materials, it ensures durability and reliability. With a shaft diameter of 140 mm and hose diameter of 178 mm, this product provides an effective sealing solution for marine engines. It is part of the Twin Injection series and comes as a single unit (1 piece).
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€ 5.261,26
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection 150x165mm is a durable shaft seal designed for twin engine installations. Made from high-quality silicone and composite materials, it ensures a reliable, leak-proof seal. The product features a 150 mm shaft diameter and a 165 mm tube diameter, ideal for marine applications.
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€ 6.097,52
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection 150x178mm (FSKM150M178M1) is designed for twin engine installations. It features a composite and silicone construction, with a 150mm shaft diameter and 178mm tube diameter, ensuring reliable performance and durability in marine applications.
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€ 6.097,52
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection is designed for twin engine installations, featuring a 150 mm shaft diameter and 203 mm pipe diameter. Made from silicone and composite materials, it offers durability and reliable performance. The product number is FSKM150M203M1, and it has an EAN code of 8720193080789.
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€ 6.097,52
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1-2 weeks delivery time Price incl. 19% VAT The Tides Marine SureSeal Twin Injection is a reliable sealing solution specifically designed for twin engine installations, accommodating shaft diameters of 160mm and hose diameters of 165mm. Constructed from durable composite and silicone materials, it ensures optimal performance in marine environments. Product number FSKM160M165M1, it is ideal for enhancing the sealing integrity of twin engine boats.
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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