Techemer - Water-Lubricated Bearings & Shaft Seals Manufacturer Since 2008 — ISO-Certified | Fully Patented
Water-Lubricated Rudder Bearing With Long Life Span Replacing Thordon SXL
Techemer water-lubricated rudder bearings with long life span. Self-lubricating, oil-free design with excellent wear resistance and reliability. Ideal Thordon SXL replacement for marine steering systems and vessels.
Minimum Order Quantity: 1
Price: USD, CNY
Packaging Details: Wooden or heavy duty carton packaging
Delivery Time: 15working days
Payment Terms: T/T
Supply Ability: 10000
5.0
design customization
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Please fill out the form below to request a quote or to request more information about us. please be as detailed as possible in your message, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Water Lubricated Stern Tube Bearings
Techemer TSTN water-lubricated rudder bearing is a high-performance, long-life marine bearing designed to replace Thordon SXL. Developed with advanced elastoplastic alloy and embedded microcrystalline self-lubricating particles, this bearing excels under harsh marine conditions where durability, low friction, and minimal maintenance are critical. TSTN is widely recognized as a cost-effective, eco-friendly alternative to conventional oil-lubricated metal bearings.
Techemer Rudder Bearings Material
Whether you're dealing with retrofit or newbuild, Techemer TSTN bearings can be customized to match Thordon SXL dimensions with ease.
| COMMON GUIDE BEARING MATERIALS | ||||
| Comparison of material performance of water-conductive bearings | Techemer TSTN | THORON SXL | ||
| Properties | Unit | Test Method | Typical Value | |
| Physical Property | ||||
| Density | g/cm3 | ASTM D792-08 | 1.17 | 1.16 |
| Mechanical Properties | ||||
| Tensile Strength | MPa | ASTM D638-08 | 40.3 | 44 |
| Elongation at Break | % | ASTM D638-08 | 199 | 230 |
| Shore Type D Hardness | . | ASTM D638-08 | 65 | 66 |
| Compressive Strength(10%) | MPa | ASTM D695-08 | 23 | — |
| Modulus of Compression | MPa | ASTM D695-08 | 430 | 486 |
Techemer TSTN marine rudder bearings are engineered to handle extreme pressure and friction conditions under water-lubricated environments.
Product Details
The Techemer TSTN water-lubricated rudder bearing is widely used in bulk carriers, tugboats, working vessels, and ocean energy systems. As a direct Thordon SXL alternative, it operates under harsh seawater conditions with minimal maintenance and long-lasting performance. Its proven durability and self-lubricating water-lubricated structure significantly reduce operational costs for shipowners, while enhancing rudder and stern tube reliability.
Techemer Rudder Bearing Features
Exceptional Wear Resistance
Engineered with long-lasting self-lubricating particles, Techemer TSTN offers a significantly longer service life compared to other non-metallic rudder bearings.
Water-Lubricated & Eco-Friendly
Operates entirely without oil or grease, making it suitable for environmentally sensitive marine zones.
Thordon SXL Replacement
Proven to replace Thordon SXL with better cost efficiency and comparable or superior mechanical performance.
Dry Start Capability
Enables reliable operation even under intermittent or dry conditions, thanks to bonded extreme pressure microcrystals.
Low Friction Operation
Reduces shaft wear and improves operational efficiency.
Dynamic Load Capacity
Withstands integral dynamic bearing surface pressure up to 10 MPa.
Versatile Form Factor
Available in integrated, split, or slat-type bushings to meet diverse vessel and rudder system designs.
What Makes Techemer TSTN Different?
Techemer TSTN is a next-generation elastoplastic bearing material, developed with:
●Long-life self-lubricating particles
●Extreme-pressure resistance
●Balanced low friction and durability
●Minimal volumetric wear in wet and dry conditions
This formulation makes it ideal for rudder bearings subjected to high-impact steering loads and corrosive seawater environments.
Our Strengths
TSTN water-lubricated rudder bearings deliver exceptional long life, self-lubricating performance, and low friction in harsh seawater environments—ideal where reliability matters most.
Oil-free, water-lubricated design reduces maintenance and eliminates grease leakage risks, supporting cleaner operation and compliance with stringent environmental regulations.
Built with advanced elastoplastic materials and enhanced self-lubricating particles, these bearings help extend service intervals, reduce downtime, and lower total operating costs, making them a dependable choice for bulk carriers, workboats, and marine fleets.
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