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.
|
1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.308.40 Shaft Line Bushing, measuring 40 x 55 mm, is crafted from hydro-lubricating rubber for optimal performance. With its dimensions of Ø A mm: 40, Ø B mm: 55, and Ø C mm: 160, this bushing ensures smooth and efficient operation in shaft line applications.
|
€ 89,88
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.308.41 Shaft Line Bushing is a crucial component for marine shaft line systems. Crafted from hydro-lubricating rubber, it ensures smooth and reliable operation even in harsh marine conditions. With an inner diameter of 40 mm, outer diameter of 56 mm, and a length of 160 mm, it's engineered to provide durability and performance for marine enthusiasts seeking quality equipment for their vessels.
|
€ 89,88
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.308.45 Shaft Line Bushing, measuring 45 x 61 mm, is an essential component for marine applications. Crafted from high-quality hydro-lubricating rubber, this bushing ensures smooth operation and durability in challenging marine environments. With an inner diameter of 45 mm, outer diameter of 61 mm, and a length of 180 mm, it offers precise fitment for various marine shaft systems. Whether you're maintaining an existing vessel or building a new one, this bushing guarantees reliable performance, making it a must-have for marine enthusiasts and professionals alike.
|
€ 118,61
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.308.46 Shaft Line Bushing, measuring 45 x 65 mm, is a dependable component crafted from hydro-lubricating rubber. With a length of 180 mm, this bushing ensures smooth operation of your shaft line in marine environments. Its quality construction guarantees durability and longevity, making it an essential part for your boat's propulsion system.
|
€ 118,61
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.308.50 Shaft Line Bushing, measuring 50 x 66 mm, is a vital component tailored for marine use. Crafted from top-notch hydro-lubricating rubber, it delivers outstanding performance and durability, ensuring smooth functionality even in harsh marine conditions. With inner and outer diameters of 50 mm and 66 mm respectively, along with a length of 200 mm, it offers precise fitment for various marine shaft systems. Whether for maintenance or new construction, this bushing guarantees reliable performance, making it an indispensable asset for marine enthusiasts and professionals.
|
€ 158,38
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.308.51 Shaft Line Bushing, measuring 50 x 70 mm, is crafted from hydro-lubricating rubber. Designed to facilitate smooth and efficient operation, it ensures reliable performance for marine shaft line applications.
|
€ 163,08
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.308.55 Shaft Line Bushing, measuring 55 x 73 mm, is tailor-made for marine applications. Crafted from premium hydro-lubricating rubber, it's built to endure the harsh conditions of marine environments, ensuring reliable performance and durability. With inner and outer diameters of 55 mm and 73 mm respectively, and a length of 220 mm, it provides precise fitment for various marine shaft systems. Whether it's for maintenance or installation in new vessels, this bushing offers dependable performance, making it an indispensable component for marine enthusiasts and professionals alike.
|
€ 217,76
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.308.56 Shaft Line Bushing is a durable component made from hydro-lubricating rubber. With dimensions of 55 mm in diameter for Ø A, 75 mm for Ø B, and 220 mm for Ø C, it ensures smooth operation and reduced friction in shaft line systems. Designed to withstand marine environments, this bushing offers excellent resistance to wear and tear, making it an ideal choice for marine applications.
|
€ 217,76
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.308.60 Shaft Line Bushing, measuring 60 x 78 mm, is expertly crafted from hydro-lubricating rubber to withstand tough marine conditions. With an inner diameter of 60 mm, outer diameter of 78 mm, and length of 240 mm, it ensures precise fitment and reliable performance. This durable bushing is essential for maintaining and building marine vessels, providing smooth operation and long-lasting durability.
|
€ 261,96
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Osculati 52.308.61 Shaft Line Bushing, sized at 60 x 80 mm, is expertly crafted from hydro-lubricating rubber, making it ideal for marine applications. With an inner diameter of 60 mm, outer diameter of 80 mm, and a length of 240 mm, this bushing ensures precise fitment and exceptional durability. It's designed to provide smooth, reliable performance in harsh marine environments, making it a crucial component for both maintaining and constructing marine vessels.
|
€ 261,96
-
+
| ||
|
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.
|
€ 415,32
-
+
| ||
|
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.
|
€ 415,32
-
+
| ||
|
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.
|
€ 403,92
-
+
| ||
|
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.
|
€ 439,74
-
+
| ||
|
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.
|
€ 439,74
-
+
| ||
|
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.
|
€ 66,30
-
+
| ||
|
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.
|
€ 72,86
-
+
| ||
|
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.
|
€ 98,75
-
+
| ||
|
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.
|
€ 111,07
-
+
| ||
|
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.
|
€ 117,11
-
+
| ||
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