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 Osculati 52.210.57 Shaft Line Bushing is tailored for marine use, featuring an inner diameter of 2 inches 1/4 (57.16 mm) and an outer diameter of 3 inches (76.2 mm), with a length of 220 mm. Crafted from hydro-lubricating rubber, it ensures smooth shaft operation, making it a reliable choice for various boating needs, whether for leisure or professional use.
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€ 148,28
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.210.63 Shaft Line Bushing is designed for marine applications, boasting an inner diameter of 2 inches 1/2 (63.5 mm) and an outer diameter of 3 inches 1/4 (82.55 mm), with a length of 250 mm. Crafted from hydro-lubricating rubber, it ensures smooth shaft operation, making it an ideal choice for various boating needs, whether for recreational or professional use.
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€ 159,56
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.290.08 Elastic Coupling Joint with 8 Bores is an essential component designed to be positioned between the propeller shaft and the inverter in marine propulsion systems. Constructed with precision, this coupling joint is crafted from nitrile rubber on an aluminium bushing, ensuring a robust and resilient connection. With 8 bores, it caters to various marine applications, providing flexibility and effectively dampening vibrations for smoother operation. With a maximum horsepower rating of 25, this elastic coupling joint enhances the performance and reliability of your marine propulsion system. Upgrade your boating experience with Osculati's quality and functional Elastic Coupling Joint.
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€ 70,10
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1-2 weeks delivery time Price incl. 19% VAT Enhance the efficiency and reliability of your marine propulsion system with the Osculati 52.290.16 Elastic Coupling Joint. Designed to be placed between the propeller shaft and the inverter, this coupling joint features 10 bores, providing versatility for various shaft and inverter configurations. Crafted with nitrile rubber on an aluminum bushing, it ensures durability and smooth operation in marine environments. The 16-bore version is suitable for applications with a maximum horsepower of 110, delivering optimal power transmission. Upgrade your marine setup with this high-quality elastic coupling joint from Osculati, ensuring a seamless and powerful performance on the water.
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€ 154,21
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.291.01 Coupling for Twindisk Inverters is a compact component measuring 35x35x20 mm (height), designed to facilitate the connection between Twindisk inverters and other marine components. It ensures reliable operation and durability, making it an ideal choice for marine applications requiring efficient coupling solutions.
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€ 2,99
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.291.02 coupling, measuring 35x70x20 mm (height), is engineered to perfectly interface with Twindisk inverters, guaranteeing optimal functionality and reliable performance in various applications.
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€ 5,54
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.306.00 - Shaft Line Bushing 1"x1"1/4 is a versatile component made of hydro-lubricating rubber, ideal for use in various boats including those from the US, UK, and Australia. Its dimensions, with Ø A at 1 inch (25.40 mm) and Ø B at 1 inch 1/4 (31.75 mm), along with a length of 101.6 mm (C), make it suitable for a range of applications.
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€ 66,23
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.306.01 Shaft Line Bushing, designed with precision and reliability in mind, is crafted from hydro-lubricating rubber, ensuring optimal functionality. Tailored for compatibility with US, UK, and Australian boats, this versatile bushing meets international standards. With a diameter of Ø A 1” (25.40), Ø B 1”1/2 (38.10), and a length of C 101.6 mm, it provides a robust solution for your marine equipment needs. Upgrade confidently with the Osculati 52.306.01 for a dependable and high-performance shaft line bushing, contributing to the smooth operation of your boat.
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€ 36,64
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.306.02 Shaft Line Bushing, sized at 1"1/4x1"3/4, is crafted from hydro-lubricating rubber, making it ideal for use in US, UK, and Australian boats. Its design ensures optimal performance, with Ø A measuring 1”1/4 (31.75), Ø B at 1”3/4 (44.45), and C at 127 mm. This bushing guarantees reliable and efficient functionality, meeting the standards of various boating applications.
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€ 53,12
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.306.03 - Shaft Line Bushing 1"1/2x2" is crafted from hydro-lubricating rubber, specifically designed for use in US, UK, and Australian boats. With dimensions Ø A 1"1/2 (38.10), Ø B 2" (50.80), and C 152.4, this bushing ensures smooth and reliable operation in marine environments. Its hydro-lubricating properties contribute to enhanced efficiency, making it a valuable component for your boat's shaft line. Trust in the quality of this Osculati product for optimal performance and durability on the water.
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€ 63,84
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.306.04 - Shaft Line Bushing 1"3/4x2"3/8 is a specialized marine component designed to enhance the performance and durability of shaft lines in boats. Crafted from hydro-lubricating rubber, this bushing provides effective lubrication for smooth operation. Its design and composition make it particularly suitable for use in US, UK, and Australian boats. The Ø A measurement is 1"3/4 (44.45 mm), Ø B is 2"3/8 (60.32 mm), and the overall length is C mm 177.8. Whether you're involved in boating or sailing, this shaft line bushing ensures reliable functionality and contributes to the longevity of your marine equipment in various water conditions.
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€ 117,74
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.306.05 Shaft Line Bushing is a crucial component designed to reduce friction and ensure smooth operation in marine shaft systems. Made of hydro-lubricating rubber, it's suitable for boats from the US, UK, and Australia. With an inner diameter of 2 inches and an outer diameter of 2 inches 5/8, it fits shafts snugly, minimizing wear and tear. This bushing guarantees reliable performance and durability, essential for optimal functioning of boat shaft systems.
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€ 135,34
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.306.06 - Shaft Line Bushing 2" 1/4x3" is a high-quality marine component crafted from hydro-lubricating rubber, ensuring optimal performance for boats in the US, UK, and Australia. With a diameter of 2" 1/4 (57.15mm) for Ø A and 3" (76.20mm) for Ø B, along with a length of 228.6mm (C), this bushing provides reliable and efficient support for shaft lines. Its construction with hydro-lubricating rubber enhances durability and makes it an excellent choice for marine applications.
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€ 223,15
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.306.08 Shaft Line Bushing is a vital component for ensuring smooth operation and reducing friction in marine shaft systems. Crafted from hydro-lubricating rubber, it's compatible with boats from the US, UK, and Australia. With an inner diameter of 2 inches 1/2 and an outer diameter of 3 inches 1/4, it fits shafts securely, minimizing wear and tear. This bushing offers reliable performance and durability, essential for maintaining optimal functionality of boat shaft systems.
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€ 269,77
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.306.09 Shaft Line Bushing is a crucial component designed to ensure smooth and friction-free operation in marine shaft systems. Crafted from hydro-lubricating rubber, it's suitable for use in boats from the US, UK, and Australia. With an inner diameter of 2 inches 5/8 and an outer diameter of 3 inches 3/8, it provides a secure fit, minimizing wear and tear on the shaft system. This bushing offers reliable performance and durability, making it essential for maintaining optimal functionality and prolonging the lifespan of boat shaft systems.
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€ 450,81
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.306.10 Shaft Line Bushing is a critical component designed to ensure smooth operation and reduce friction in marine shaft systems. Crafted from hydro-lubricating rubber, it's suitable for boats from the US, UK, and Australia. With an inner diameter of 2 inches 3/4 and an outer diameter of 3 inches 3/4, it provides a secure fit, minimizing wear and tear on the shaft system. This bushing offers reliable performance and durability, making it essential for maintaining optimal functionality and prolonging the lifespan of boat shaft systems.
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€ 450,81
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1-2 weeks delivery time Price incl. 19% VAT Elevate the performance of your boat's shaft line system with the Osculati 52.306.12 Shaft Line Bushing. This precision-engineered bushing, crafted from hydro-lubricating rubber, guarantees optimal durability and performance. Designed to meet international standards, it is suitable for use in US, UK, and Australian boats. With a diameter (Ø A) of 3" (76.20 mm) and an outer diameter (Ø B) of 4" (101.60 mm), this bushing provides a perfect fit. The length (C) of 304.8 mm ensures smooth and reliable operation. Upgrade your marine experience with this high-quality shaft line bushing, built to withstand the challenges of diverse marine environments.
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€ 461,49
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.306.21 Shaft Line Bushing, sized at 1"1/8x1"5/8, is a high-quality marine component made of hydro-lubricating rubber. This bushing is meticulously crafted for compatibility with boats in the US, UK, and Australia. Its precise dimensions of Ø A 1"1/8 (28.57 mm), Ø B 1"5/8 (41.27 mm), and C 114.7 mm ensure optimal performance in shaft line applications. Experience smooth and efficient operation, as the hydro-lubricating properties of the rubber material contribute to a reliable and durable boating experience. Upgrade your boat's performance with this versatile and quality Shaft Line Bushing from Osculati.
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€ 67,51
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.306.22 Shaft Line Bushing is an essential component for ensuring smooth operation and reducing friction in marine shaft systems. Crafted from hydro-lubricating rubber, it's suitable for boats from the US, UK, and Australia. With an inner diameter of 1 inch 3/8 and an outer diameter of 1 inch 7/8, it provides a secure fit while minimizing wear and tear on the shaft system. This bushing offers reliable performance and durability, crucial for maintaining optimal functionality and extending the lifespan of boat shaft systems.
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€ 62,39
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.306.23 - Shaft Line Bushing 1"5/8x2"1/8 is a reliable marine accessory designed to enhance the performance of your boat. Crafted with hydro-lubricating rubber, this bushing is suitable for boats in the US, UK, and Australia. With Ø A of 1"5/8 (41.27 mm), Ø B of 2"1/8 (53.97 mm), and C of 165.1 mm, it ensures durability and compatibility. Upgrade your marine equipment with this Osculati bushing, delivering smooth and efficient sailing experiences on the water.
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€ 187,18
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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