INDRON® water lubricated stern tube bearings are engineered to deliver exceptional durability, minimal maintenance, and long service life — even in the most demanding marine environments. Specially developed to match or exceed the performance of industry leaders like Thordon SXL, our bearings are the trusted choice for bulk carriers, working vessels, and other commercial marine fleets.
Made from cutting-edge synthetic engineering elastomers, INDRON® stern tube bushings provide superior wear resistance, low friction, and excellent performance in both clean and sediment-laden water. Whether you’re upgrading an existing shaft system or outfitting a new vessel, INDRON® water lubricated bearings offer a reliable, sustainable, and high-performance solution.
Product Material Grade
INDRON® Material Grades at a Glance
| 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 |
INDRON® water lubricated stern tube bearings outperform rubber, ceramic, and alloy bearings in real-world conditions — making them a smart upgrade for modern vessels. Applied to water pump bearings,marine bearings as well. OEM acceptable.
Water Lubricated Stern Tube Bearings Details
INDRON® Stern Tube Bushing Applications
INDRON® water lubricated stern tube bearings are already in successful use across a variety of demanding marine platforms:
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Bulk Carriers & Working Ships: Trusted by operators to replace conventional metal stern bearings and rudder bushings.
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Eco-Friendly Water-Lubricated Systems: Ideal for vessels operating in sensitive environments.
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Pumps & Guide Bearings: Used in pump systems handling water with moderate to high sediment content.
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OEM Custom Replacements: We offer tailor-made bearing solutions for seamless integration with existing marine shaft systems.
Who Is Techemer Factory?
Our company will take integrity, quality first, customer first and first-class service as its tenet.
| 01. Focus On Water Lubricated Bearings And Shaft Seals Since 2008 |
| 02. Offer Customized Bushes, Bearings And Seals Production |
| 03. Stabe Quality With Reasonable Price |
| 04. Fast Delivery With Online Service After Sale |
Certification
Our Strengths
Our senior material scientists and mechanical engineering specialists have reached international advanced levels in material design, innovation, manufacturing, and applications. With years of experience and a customer-focused approach, we provide exceptional material technology solutions to solve your technical challenges.
With field-proven performance and advanced material technology, INDRON® water lubricated stern tube bearings are the trusted solution for modern marine propulsion systems. Designed for harsh conditions, engineered for extended performance, and optimized for easy integration — our bearings keep your vessel running smoothly, efficiently, and sustainably.
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