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 Hollex Seal T050-083 is an advanced solution for water-lubricated shaft installations, offering axial sealing along the shaft's length. It features a high-quality stainless steel sliding ring for effective sealing, limited radial play for precise positioning, and low friction resistance for extended durability. This seal prevents leakage and requires consideration of the motor's axial displacement during installation, making it ideal for reliable and long-lasting performance in maritime applications.
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Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time Price incl. 19% VAT The Hollex Seal is an advanced solution for water-lubricated shaft installations, offering unique axial sealing along the shaft's length. It features a high-quality stainless steel sliding ring that creates an effective seal against a composite counterface. With limited radial play, it ensures precise positioning and long-lasting performance, significantly outlasting standard packing sets while preventing leakage and allowing for necessary adjustments based on motor displacement.
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€ 823,48
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1-2 weeks delivery time Price incl. 19% VAT The Hollex Seal is an advanced solution for water-lubricated shaft installations, providing axial sealing along the shaft's length. It features a high-quality stainless steel sliding ring that ensures a perfect seal against a composite counterface, allowing for limited radial play and precise positioning near the bearing. With low friction resistance, it lasts longer than standard packing sets, reduces maintenance costs, and prevents leakage, making it a reliable choice for marine applications.
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€ 886,83
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1-2 weeks delivery time Price incl. 19% VAT The Hollex Seal T055-083 is an advanced solution for water-lubricated shaft installations, providing axial sealing along the shaft's length. It features a high-quality stainless steel sliding ring that ensures a perfect seal against a composite counterface, allowing for limited radial play and precise positioning. With low friction resistance, it outlasts standard packing sets, reduces maintenance costs, and prevents leakage, making it a reliable choice for marine applications.
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€ 886,83
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1-2 weeks delivery time Price incl. 19% VAT The Hollex Seal is an advanced solution for water-lubricated shaft installations, providing effective axial sealing along the shaft's length. It features a high-quality stainless steel sliding ring for optimal sealing, limited radial play for precise positioning, and low friction resistance for extended durability. Additionally, it eliminates leakage by preventing ingress, making it reliable and cost-effective in maritime applications.
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€ 1.031,26
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1-2 weeks delivery time Price incl. 19% VAT The Hollex Seal T060-102 is an advanced solution for water-lubricated shaft installations, utilizing a unique axial sealing principle that involves a high-quality stainless steel sliding ring. It offers limited radial play for precision positioning, long-lasting performance due to low friction, and effectively prevents leakage, enhancing reliability and durability in marine applications. Designed with adjustment options for axial displacement, this seal is ideal for efficient sealing in demanding environments.
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€ 1.031,26
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1-2 weeks delivery time Price incl. 19% VAT The Hollex Seal T070-113 is an advanced solution for water-lubricated shaft installations, providing effective axial sealing along the shaft's length. It features a high-quality stainless steel sliding ring that ensures a perfect seal against a composite counterface, limited radial clearance for precise positioning, and significantly longer lifespan compared to standard packing sets. Additionally, it prevents leakage and allows for adjustments based on axial displacement from the motor, making it ideal for reliable and durable marine applications.
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€ 1.173,15
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1-2 weeks delivery time Price incl. 19% VAT The Hollex Seal is an advanced solution for water-lubricated shaft installations, providing effective axial sealing along the shaft's length. Unlike conventional seals, it features a high-quality stainless steel sliding ring that ensures a perfect seal against a composite counterface. With limited radial clearance, it requires precise positioning and offers long-lasting performance due to low friction resistance, significantly reducing maintenance costs. Additionally, it prevents leakage by eliminating ingress, making it a reliable choice for marine applications.
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€ 1.337,85
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1-2 weeks delivery time Price incl. 19% VAT The SKF 6201-2RS bearing is a reliable and high-performance component, featuring a robust design with two rubber seals, making it ideal for various industrial and residential applications. With a weight of 0.036 kg, an inside diameter of 12 mm, an outside diameter of 32 mm, and a width of 10 mm, this SKF bearing is commonly used in gearboxes, water pumps, and both light and heavy machinery, including lawnmowers.
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Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time Price incl. 19% VAT The Bearing VL30-KST-ø30xø40x16 (Product Number: 75 502 003) is a high-quality rolling bearing made from durable steel, designed for use in industrial machinery and equipment. With dimensions of ø30xø40x16, it offers low friction and high load capacity, ensuring optimal performance and reliability. Additionally, it requires minimal maintenance, making it an efficient choice for various applications.
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Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time Price incl. 19% VAT The VL60-KST bearing (Product Number: 75 508 003) is a reliable solution for various mechanical applications, featuring an inner diameter of 60 mm, outer diameter of 80 mm, and a width of 20 mm. Engineered with robust materials for enhanced durability, it minimizes friction and ensures smooth rotational movement, making it ideal for systems that require dependable support and performance.
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Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time Price incl. 19% VAT The Vesconite HiLube Bearing, with dimensions Ø25xØ40xL=100mm, is crafted from high-quality Vesconite HiLube material, providing exceptional durability and performance while minimizing friction for an extended service life. It has an inner diameter of 25 mm, outer diameter of 40 mm, and is sold as a single piece under product number VL25A, bearing the EAN code 8720193038742.
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€ 99,71
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1-2 weeks delivery time Price incl. 19% VAT The Vesconite HiLube Bearing, measuring ø30xø45xL=120mm, is a high-quality bearing known for its innovative design and durable materials, ensuring excellent performance and longevity. It has an inner diameter of 30 mm, outer diameter of 45 mm, and is made from Vesconite HiLube material. The product number is VL30A, with an EAN code of 8720193038759, and it is sold as a single piece under the Vesconite brand.
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€ 119,64
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1-2 weeks delivery time Price incl. 19% VAT The Vesconite HiLube bearing, designed for durability and performance, has a size of ø35xø50xL=140mm and is engineered to withstand demanding conditions with excellent lubrication properties. It is sold as a single piece (Product Number: VL35A) and features an inner diameter of 35mm, outer diameter of 50mm, and a product length of 140mm. The bearing is made from Vesconite HiLube material and is produced by the Vesconite brand, with an EAN code of 8720193038766.
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€ 130,72
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1-2 weeks delivery time Price incl. 19% VAT The Vesconite HiLube Bearing (Product Number: VL40A) is a high-quality bearing measuring 40 mm inner diameter, 55 mm outer diameter, and 160 mm in length. Known for its durability and performance, it offers excellent wear resistance and low friction, making it suitable for various applications, including industrial and marine use. This bearing is made from Vesconite HiLube material and is sold as a single piece, with an EAN code of 8720193038773.
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€ 157,32
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1-2 weeks delivery time Price incl. 19% VAT The Vesconite HiLube Bearing (Product Number: VL45A) features an inner diameter of 45mm, an outer diameter of 65mm, and a length of 180mm. Made from advanced Vesconite HiLube material, it offers exceptional durability and low friction, making it ideal for marine, mining, and industrial applications. Its robust design ensures high wear resistance and suitability for underwater use.
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€ 268,08
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1-2 weeks delivery time Price incl. 19% VAT The Vesconite HiLube Bearing (Product Number: VL50A) measures 50 mm inner diameter, 70 mm outer diameter, and 200 mm in length, making it suitable for high-performance applications. Constructed from advanced Vesconite HiLube material, it offers excellent lubrication and wear resistance. Sold individually, it is a reliable choice for durability, with an EAN code of 8720193038797.
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€ 303,55
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1-2 weeks delivery time Price incl. 19% VAT The Vesconite HiLube Bearing (Product Number: VL55A) is a high-performance engineering solution, featuring an inner diameter of 55 mm, an outer diameter of 75 mm, and a length of 220 mm. Made from durable Vesconite HiLube material, it is sold as a single piece (EAN Code: 8720193038803) and is recognized for its optimal performance and longevity.
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€ 343,42
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1-2 weeks delivery time Price incl. 19% VAT The Vesconite HiLube Bearing, measuring ø60xø80xL=240mm, is engineered for exceptional durability and performance in industrial applications. With a unique material composition that significantly improves resistance to wear and friction, this bearing (Product Number: VL60A) features an inner diameter of 60 mm, an outer diameter of 80 mm, and is sold individually. It is manufactured by Vesconite and has an EAN code of 8720193038810.
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€ 409,90
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1-2 weeks delivery time Price incl. 19% VAT The Vesconite HiLube Bearing (Product Number: VL65A) is a high-performance bearing measuring 65mm internal diameter, 85mm external diameter, and 260mm in length. Made from advanced Vesconite HiLube material, it is designed for durability and reduced friction, making it suitable for heavy-duty applications. Each unit is sold as a single piece and has an EAN code of 8720193038827.
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€ 460,86
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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