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 52.308.65 Shaft Line Bushing, measuring 65 x 83 mm, is crafted from hydro-lubricating rubber, making it ideal for marine environments. With an inner diameter of 65 mm, outer diameter of 83 mm, and a length of 260 mm, it ensures precise fitment and exceptional durability. This bushing is designed to provide smooth and reliable performance, making it a vital component for maintaining and building marine vessels.
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€ 415,32
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.308.66 Shaft Line Bushing is constructed from hydro-lubricating rubber and features dimensions of 65 mm (Ø A), 85 mm (Ø B), and 260 mm (Ø C). This bushing provides reliable support and smooth operation for your shaft line system.
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€ 415,32
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.308.70 Shaft Line Bushing, measuring 70 x 90 mm, is expertly crafted from hydro-lubricating rubber, guaranteeing smooth and efficient operation within shaft line systems. With a diameter of 280 mm (Ø C), this bushing ensures a secure fit and dependable performance in various marine applications.
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€ 403,92
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.308.80 Shaft Line Bushing, measuring 80 x 100 mm, is made from hydro-lubricating rubber, ensuring it can withstand harsh marine conditions. With an inner diameter of 80 mm, outer diameter of 100 mm, and a length of 320 mm, this bushing provides precise fitment and exceptional durability. It is designed for smooth and reliable performance, making it an essential component for maintaining and building marine vessels.
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€ 439,74
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.308.81 Shaft Line Bushing, sized at 80 x 102 mm, is made from hydro-lubricating rubber, making it perfect for demanding marine conditions. With an inner diameter of 80 mm, outer diameter of 102 mm, and a length of 320 mm, this bushing ensures precise fitment and outstanding durability. It is designed to provide smooth, reliable performance, making it an essential component for both maintaining and building marine vessels.
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€ 439,74
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.330.25 Rubber Stuffing Box in Version A Ø 25 mm is a durable and reliable solution for sealing shaft lines. Resistant to water seepage and requiring low maintenance when properly cared for, it's made from a special rubber resistant to saltwater and lubricating grease. Supplied with a stainless steel clamp and specific lubricant, it ensures effective sealing and lubrication, essential for marine applications above or below the waterline.
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€ 66,30
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1-2 weeks delivery time Price incl. 19% VAT Ensure reliable and enduring protection against water seepage with the Osculati 52.330.30 Rubber Stuffing Box Version A. Specifically designed for a Ø 30 mm centerline, this stuffing box requires minimal maintenance when treated appropriately. Crafted from a specialized rubber resistant to saltwater and lubricating grease, it comes complete with an AISI316 stainless steel clamp and a specific lubricant for the shaft line. Operating typically below the waterline, the stuffing box benefits from lubrication and cooling by water. Version A includes a brass hose adaptor for external water lubrication (a brass closing cap is supplied if not used) and a greasing aperture with a brass cap. The kit, which includes the stuffing box, a specific lubricant tube, and instructions, offers a comprehensive solution for efficient and hassle-free marine applications.
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€ 72,86
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.330.35 Rubber Stuffing Box Version A Ø 35 mm offers reliable insulation from water seepage and requires minimal maintenance when properly cared for. Constructed from a special rubber resistant to saltwater and lubricating grease, it comes with a stainless steel clamp and specific lubricant for shaft line. Suitable for both underwater and above-waterline operation, it ensures effective sealing and lubrication, making it essential for marine applications. Version A includes a brass hose adaptor and greasing aperture, providing additional versatility compared to Version B.
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€ 98,75
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.330.40 Rubber Stuffing Box in Version A Ø 40 mm offers effective insulation against water seepage with minimal maintenance requirements. Crafted from a special rubber resistant to saltwater and lubricating grease, it includes a stainless steel clamp and specific lubricant for shaft line. Whether operating below or above the waterline, it ensures reliable sealing and lubrication, making it an essential component for marine applications. Version A comes with a brass hose adaptor and greasing aperture, enhancing its versatility compared to Version B.
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€ 111,07
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.330.45 Rubber Stuffing Box, Version A, with a diameter of 45 mm, offers durable protection against water seepage, requiring minimal maintenance when properly cared for. Crafted from a specialized rubber resistant to salt water and lubricating grease, it comes complete with an AISI316 stainless steel clamp and a specific lubricant for the shaft line. Typically used below the waterline, it relies on water for lubrication and cooling, though an external source is necessary if used above water. Version A includes a brass hose adaptor for external water lubrication, with a brass closing cap provided if not used, along with a greasing aperture with brass cap. The kit includes the stuffing box, lubricant tube, and instructions.
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€ 117,11
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.330.50 Rubber Stuffing Box in Version A Ø 50 mm offers durable water insulation with minimal maintenance needs. Crafted from a special rubber resistant to saltwater and lubricating grease, it includes a stainless steel clamp and specific lubricant for shaft line. Whether operating below or above the waterline, it ensures effective sealing and lubrication, making it essential for marine applications. Version A also includes a brass hose adaptor and greasing aperture for enhanced functionality.
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€ 129,24
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.331.25 Rubber Stuffing Box in Version B Ø 25 mm provides reliable water insulation with minimal maintenance requirements. Constructed from a special rubber resistant to saltwater and lubricating grease, it includes a stainless steel clamp and specific lubricant for shaft line. Whether operating below or above the waterline, it ensures effective sealing and lubrication, making it essential for marine applications. Version B is designed without a hose adaptor and greasing aperture.
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€ 59,17
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.331.30 Rubber Stuffing Box Version B Ø 30 mm provides durable protection against water seepage with minimal maintenance requirements when properly maintained. Constructed from a specialized rubber resistant to saltwater and lubricating grease, it comes equipped with an AISI316 stainless steel clamp and specific lubricant for the shaft line. Typically operating below the waterline with lubrication and cooling facilitated by water, it requires an external water cooling source if used above or on the waterline. Version B excludes a hose adaptor and greasing aperture, while the kit includes the stuffing box, specific lubricant tube, and instructions, with Centerline Ø mm: 30 and Stuffing box case Ø mm: 49.
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€ 67,11
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.331.35 Rubber Stuffing Box Version B Ø 35 mm offers long-lasting insulation against water seepage with minimal maintenance when treated properly. Crafted from a special rubber resistant to saltwater and lubricating grease, it includes an AISI316 stainless steel clamp and specific lubricant for the shaft line. Designed for operations typically below the waterline with lubrication and cooling by water, Version B comes without a hose adaptor and greasing aperture. The kit includes the stuffing box, a specific lubricant tube, and comprehensive instructions for hassle-free installation. Ideal for ensuring a reliable and watertight seal in marine applications.
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€ 89
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.331.40 Rubber Stuffing Box in Version B Ø 40 mm offers reliable water insulation with minimal maintenance requirements. Crafted from a special rubber resistant to saltwater and lubricating grease, it includes a stainless steel clamp and specific lubricant for shaft line. Whether operating below or above the waterline, it ensures effective sealing and lubrication, making it essential for marine applications. Version B is designed without a hose adaptor and greasing aperture.
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€ 100,20
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.331.45 Rubber Stuffing Box in Version B Ø 45 mm offers reliable water insulation with minimal maintenance requirements. Crafted from a special rubber resistant to saltwater and lubricating grease, it includes a stainless steel clamp and specific lubricant for shaft line. Whether operating below or above the waterline, it ensures effective sealing and lubrication, making it essential for marine applications. Version B is designed without a hose adaptor and greasing aperture.
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€ 105,55
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.331.50, known as the Rubber Stuffing Box Version B with a diameter of Ø 50 mm, offers reliable sealing and protection against water seepage, featuring a durable rubber construction designed for marine applications.
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€ 115,54
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.961.01 SS Line Clamp Cutter is a precision tool designed for hassle-free propeller installation without the need for disassembly. Featuring a robust clamp system, this cutter ensures efficient maintenance. With dimensions of 25 mm Axis Ø (A), 80 mm Outer Ø (B), and 22 mm Thickness, it provides a reliable and convenient solution for boating enthusiasts. Upgrade your boating experience with the convenience and precision of the Osculati 52.961.01 SS Line Clamp Cutter, simplifying propeller maintenance for both professionals and enthusiasts.
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€ 243,18
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.961.03 SS Line Clamp Cutter is a practical tool designed for easy installation without the need to disassemble the propeller. With an Axis Ø of 30 mm and an Outer Ø of 80 mm, this cutter is suitable for various marine applications. Its compact design and thickness of 22 mm ensure efficient cutting of lines and debris from boat propellers, making it a convenient solution for boat maintenance tasks.
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€ 243,18
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.961.04 SS Line Clamp Cutter is a versatile tool designed for efficient line cutting. With its unique clamp system, it can be installed without the need to disassemble the propeller, simplifying maintenance tasks. Its robust construction and precision cutting capabilities make it ideal for boat owners and marine professionals, ensuring hassle-free line cutting operations.
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€ 243,18
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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