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 52.307.20 Shaft Line Bushing, with a diameter of 20 mm, is expertly crafted from hydro-lubricating rubber, offering a dependable solution for marine applications. This bushing ensures smooth and efficient operation, accommodating a 20 mm shaft with precision. Its design incorporates a Ø B of 31.75 mm (1”1/4) and a C measurement of 76.2 mm, providing compatibility and reliability in marine systems. The hydro-lubricating rubber construction adds durability, making it a practical choice for marine enthusiasts seeking effective shaft line solutions.
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€ 76,79
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.22 Shaft Line Bushing is a crucial component crafted from hydro-lubricating rubber, ensuring optimal performance and longevity in your marine setup. With a diameter of 20 mm, this bushing provides a reliable solution for your shaft line needs. The Ø B diameter is 31.75 mm (1"1/4), and the overall length is C mm 76.2. Its hydro-lubricating rubber construction contributes to smooth and efficient operation. Upgrade your boating experience with this high-quality SS Shaft Line Bushing from Osculati, offering durability and dependability for your shaft line requirements.
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€ 49,12
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.25 Shaft Line Bushing is a crucial component made of hydro-lubricating rubber, ensuring optimal performance in marine applications. With a diameter (Ø A) of 25 mm, Ø B of 38.1 mm (1"1/2), and a length (C) of 101.6 mm, this bushing provides reliable support for shaft lines. Its durable construction and hydro-lubricating properties make it an essential addition to enhance the efficiency and functionality of your marine shaft system. Upgrade with confidence using this quality Shaft Line Bushing from Osculati.
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€ 38,07
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.26 Shaft Line Bushing is an essential component for ensuring smooth operation and minimizing friction in marine shaft systems. Constructed from hydro-lubricating rubber, it offers reliable performance and durability. With an inner diameter of 25 mm and an outer diameter of 31.75 mm (1"1/4), it provides a secure fit, reducing wear and tear on the shaft system. This bushing is designed to withstand various marine conditions, providing peace of mind for boat owners.
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€ 68,80
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.28 Shaft Line Bushing is a robust marine component designed for reliable performance. Crafted from hydro-lubricating rubber, it ensures durability and effective function within your marine system. With a diameter (Ø A) of 28 mm, it provides a secure and precise fit for your 28 mm shaft. The bushing also features additional dimensions, including a diameter of 41.27 mm (1"5/8) (Ø B) and a length (C) of 114.3 mm, contributing to its versatility and suitability for various applications. Upgrade your marine equipment with confidence, as the Osculati 52.307.28 offers a dependable solution for your shaft line needs.
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€ 103,35
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.30 Shaft Line Bushing is a vital component designed to ensure smooth operation and minimize friction in marine shaft systems. Constructed from hydro-lubricating rubber, this bushing offers reliability and durability. With an inner diameter of 30 mm and an outer diameter of 44.4 mm (1"3/4), it provides a secure fit, reducing wear on the shaft system. This bushing is tailored to fit 30 mm shafts snugly, helping to prolong their lifespan by minimizing friction. Whether navigating calm waters or facing rough seas, the Osculati 52.307.30 Shaft Line Bushing ensures dependable performance for smooth sailing.
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€ 57,43
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.32 Shaft Line Bushing is a high-quality marine component designed for smooth shaft operation. Crafted from hydro-lubricating rubber, it ensures durability and efficiency in marine environments. With an outer diameter of 32 mm, inner diameter of 44.45 mm (1”3/4), and length of 127 mm, this bushing guarantees reliable performance for marine shaft systems.
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€ 81,91
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.35 Shaft Line Bushing is a top-quality marine component designed to ensure smooth operation of shaft systems. Crafted from hydro-lubricating rubber, it offers exceptional durability and performance, particularly in harsh marine environments. With an outer diameter of 35 mm, inner diameter of 47.6 mm (1”7/8), and a length of 139.7 mm, this bushing is engineered to provide reliable and efficient functionality for marine shaft systems.
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€ 64,63
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.38 Shaft Line Bushing is a top-quality marine component crafted from hydro-lubricating rubber, ensuring durability and efficiency in marine environments. With an outer diameter of 38 mm, inner diameter of 50.80 mm (2”), and a length of 152 mm, this bushing is designed to provide reliable performance for marine shaft systems, making it an excellent choice for ensuring smooth operation and longevity in marine applications.
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€ 94,71
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.40 Shaft Line Bushing, measuring 40 mm in diameter, is constructed from hydro-lubricating rubber. This material is chosen for its ability to provide smooth operation and minimize friction within marine shaft systems. With a diameter of 53.9 mm (2"1/8) and a length of 160 mm, this bushing ensures reliable performance and durability, making it a crucial component for marine applications where shaft alignment and smooth operation are essential.
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€ 87,35
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.45 Shaft Line Bushing is a high-quality marine component crafted from hydro-lubricating rubber, ensuring durability and efficiency in marine environments. With an outer diameter of 45 mm, inner diameter of 60.3 mm (2”3/8), and a length of 177.8 mm, this bushing is designed to provide smooth and reliable operation for marine shaft systems, making it an ideal choice for ensuring optimal performance and longevity in marine applications.
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€ 118,71
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.50 Shaft Line Bushing is a top-notch marine component crafted from hydro-lubricating rubber, ensuring durability and efficiency in marine environments. With an outer diameter of 50 mm, inner diameter of 66.6 mm (2”5/8), and a length of 203.2 mm, this bushing guarantees smooth and reliable operation for marine shaft systems. It's an excellent choice for maintaining optimal performance and longevity in marine applications.
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€ 148,47
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.55 shaft line bushing, measuring 55 mm in diameter, is expertly crafted from hydro-lubricating rubber. This material choice ensures optimal performance, providing smooth operation and longevity for your marine shaft line systems, regardless of the conditions they face.
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€ 217,76
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.60 Shaft Line Bushing is a high-quality marine component made of hydro-lubricating rubber, ensuring durability and efficiency in marine environments. With an outer diameter of 60 mm, inner diameter of 82.5 mm (3”1/4), and a length of 241.3 mm, this bushing guarantees smooth and reliable operation for marine shaft systems. It's an optimal choice for maintaining performance and longevity in marine applications.
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€ 261,96
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.65 Shaft Line Bushing is a durable marine component crafted from hydro-lubricating rubber, ensuring longevity and efficiency in marine environments. With an outer diameter of 65 mm, inner diameter of 85.72 mm (3”3/8), and a length of 266.7 mm, this bushing guarantees smooth and reliable operation for marine shaft systems. It's an ideal choice for maintaining optimal performance and durability in various marine applications.
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€ 415,32
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.70 Shaft Line Bushing is a robust marine component crafted from hydro-lubricating rubber, ensuring durability and efficiency in marine environments. With an outer diameter of 70 mm, inner diameter of 95.25 mm (3”3/4), and a length of 279.4 mm, this bushing ensures smooth and reliable operation for marine shaft systems. It's an optimal choice for maintaining performance and longevity 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 52.307.75 Shaft Line Bushing is a dependable marine component crafted from hydro-lubricating rubber, ensuring durability and smooth operation in marine environments. With an outer diameter of 75 mm, inner diameter of 101.60 mm (4”), and a length of 304.8 mm, this bushing is designed to provide reliable performance for marine shaft systems. It's an optimal choice for maintaining efficiency and longevity in various marine applications.
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€ 419,25
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.80 Shaft Line Bushing is a robust marine component crafted from hydro-lubricating rubber, ensuring durability and smooth operation in marine environments. With an outer diameter of 80 mm, inner diameter of 101.60 mm (4”), and a length of 304.8 mm, this bushing is designed to provide reliable performance for marine shaft systems. It's an optimal choice for maintaining efficiency and longevity in various marine applications.
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€ 439,74
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.85 Shaft Line Bushing is a durable marine component made of hydro-lubricating rubber, ensuring smooth operation and longevity in marine environments. With an outer diameter of 85 mm, inner diameter of 114.30 mm (4" 1/2), and a length of 342.9 mm, this bushing provides reliable performance for marine shaft systems. It's an excellent choice for maintaining efficiency and reliability in various marine applications.
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€ 657,54
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1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.307.90 - Shaft Line Bushing 90 mm is a specialized marine component crafted from hydro-lubricating rubber, ensuring optimal performance in water environments. With a diameter of 90 mm, this bushing is designed to provide efficient and smooth operation for shaft lines in boats. The Ø B measurement is 114.30 mm (4" 1/2), and the overall length is C mm 355.6. The use of hydro-lubricating rubber adds to its durability and functionality, contributing to a reliable and low-friction operation. Whether you're involved in sailing or boating, this shaft line bushing is a quality solution for maintaining and enhancing the performance of your marine equipment.
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€ 657,54
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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