Customized Request Seawater Lubricated Rudder Bushing With Elastomeric Polymer Alloy
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What is a Rudder Bushing?A rudder bushing is a key component in ship rudder systems, designed to support the rudder stock while reducing friction during steering operations. Often made from advanced materials like elastomeric polymer alloys, these bushings operate effectively with seawater lubrication, eliminating the need for grease. This enhances durability, reduces environmental impact, and ensures smoother operation. For worn or damaged components, timely rudder bushing replacement is essential to maintain vessel safety and performance. Product Features
Material Parameter
Material Performances
Our laboratory is equipped with advanced material performance testing and analysis instruments, allowing us to strictly control every detail of product design and production, ensuring superior product quality. Indron® bearings, seals, and gaskets are more durable than ordinary bearing materials under various conditions, including dry friction, water lubrication (clean water or water containing sand and mud), non-lubrication, grease lubrication, and even under impact load conditions. Material PerformancesGB/T 9867, ISO 4649 and ASTM D5963 Relative Volume Wears Comparison Among (mm³) Part of the data is abstracted from Thordon's Product Specifications ASTM D5963 (Comparison of abrasion) (㎥) Partial data from THORDON product description
Under the same conditions, INDRON" elastoplastic alloy has less wear than other common nonmetal bearing materials, and some of its models are even better than imported materials,which means INDRON* bearing has longer service life, higher reliability and lower maintenance cost. |
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| Bearing type | INDRON bearing | AR bearing | Ceramic bearing | Rubber bearing | Babbitt alloy bearing |
| Characteristics | The performance is close thordon, which can use more equipment assembly methods. In addition to traditional installations by freezing and pressurizing. It can also be installed by coating reactive thermal polymerization Dx and cold sticking. | Good wear resistance and impact resistance. The bearing hardness is high; the shaft sleeve is easy to wear; the temperature difference changes greatly; there will be the risk of shelling; the price is high. | Wear-resistant, heat-resistant, corrosion-resistant, lubricated by pump circulating water, capable of dry grinding for a short time, high requirement on accuracy in processing and assembly, fragile and the most expensive. | It has a long history and mature manufacturing process, featured by wear resistance, anti-seismic, impact resistance, convenient assembly/disassembly and low price (only 20% of ceramic bearings price) | Wear resistance and impact resistance require a set of more complicated sealing and lubricating devices and mechanisms. |
| Lubricating requirements | Clean water can be used for lubrication or 150s dry start according to the material grades. | Dry start more than 180S without clean water lubrication. | It can be lubricated by pumping medium without special clean water lubrication. | Clean industrial water | Grease lubrication requires a grease supply lubrication system. |
| Working temperature | ≤70ºC | ≥273ºC | The bearing itself can withstand the temperature of 1,400ºC | ≤50ºC | ≤65ºC Short time up to 80ºC |
| Application site | For pumping stations short of clean water or pumping stations requiring short-term dry friction, hRBR grade is suitable for water quality with moderate sediment content. | Pumping stations without clean water or pumping stations requiring dry friction of more than 180S. | Pumping stations without clean water or pumping stations requiring short-term dry friction. | Extensive application in any pumping stations with clean water sources. | The liquid of the pump itself cannot be used for bearing lubrication in the pumping station. |
| Bearing type | INDRON bearing | AR bearing | Ceramic bearing | Rubber bearing | Babbitt alloy bearing |
Why Choose Us?
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Tailored Solutions: We provide customized rudder bushings to meet specific vessel and operational requirements.
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Expert Engineering: Designed with elastomeric polymer alloy to enhance performance and longevity.
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Sustainability Focus: Seawater lubrication eliminates the risk of marine pollution from greases or oils.
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Ease of Maintenance: Durable materials reduce the frequency of rudder bushing replacements, minimizing downtime.
Application
INDRON® bearings are widely recognized for their applications in bulk carriers and working ships, delivering exceptional performance as a reliable alternative to traditional metal stern bearings and rudder bushings in oil-lubricated systems. In practice, these bearings have demonstrated superior longevity compared to other non-metal options used in water-lubricated systems. This extended service life reduces the frequency of **rudder bushing replacements**, significantly lowering maintenance costs for ship owners while enhancing the overall reliability of stern bearing and rudder bushing systems.
- Commercial Shipping: Durable and efficient rudder bushings for tankers, bulk carriers, and container ships.
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Naval and Patrol Vessels: High-resistance materials capable of withstanding intense operational stresses.
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Leisure Craft: Lightweight, eco-friendly solutions for yachts and recreational boats.
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Specialized Vessels: Adaptable to the unique demands of fishing vessels, tugboats, and research ships.
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