Displaying 6 out of 6 suppliers

Stern Tube Bearing Suppliers

A propeller and the aft end of its shaft can rest tens of tonnes on a single bearing that no one looks at between dockings. Stern tube bearing and liner suppliers serve that hidden interface: the bushes the tailshaft turns in, and the hardened liner surfaces that protect the shaft where bearings and seals run. Because the parts are buried in the stern frame, almost every purchase is driven by a docking date - which makes dimensional certainty and lead time worth more than any discount.

Oil-Lubricated White Metal or Water-Lubricated Composite

Deep-sea tonnage overwhelmingly runs oil-lubricated stern tubes with white metal bearing bushes - a tin-based alloy cast into a steel shell, forgiving of brief lubrication upsets and easy to re-metal when worn. The alternative family is water-lubricated: polymer and composite bushes from makers such as Thordon and Tenmat that run on seawater, remove the oil-to-sea interface entirely, and have gained ground as environmental rules tightened around stern tube oil. Rubber cutless bearings serve the same duty on workboats and smaller craft. The choice is made at design or conversion, not at the spares desk: each regime brings its own clearance rules, cooling arrangement, and survey expectations, and the switch from oil to water lubrication is a classed modification rather than a substitution.

Shaft Liners: The Sacrificial Surface

The liner is the part built to be consumed. A chrome steel sleeve, typically shrink-fitted over the shaft, gives the lip seals a hard, true surface to run on - and over the years the lips cut grooves into it. Once a groove passes the point where a seal can bed, the choices are a new liner, machining the existing one, or shifting the seal to an unworn track. A supplier quoting a liner needs the shaft drawing and the measured diameters, because liners are matched to the individual shaft, not picked from a shelf. Consumables around this interface - bushes, liner sleeves, and gauge parts - flow through stern tube bearing spare parts suppliers once the vessel is in service.

Makers and Sourcing Channels

Two supply ecosystems meet at the stern tube. The seal and liner side concentrates around the seal makers - SKF, Wartsila, Kemel, JMT, and Lagersmit - whose liners and running surfaces are engineered to their own seal designs. The bearing side splits between OEM bushes, water-lubricated specialists such as Duramax, Thordon, and Tenmat, and machine shops that cast and machine white metal bushes to drawing. Bushes are commonly delivered semi-finished with a machining allowance in the bore, final-sized only after the stern tube is measured. Whatever the channel, material certification to EN 10204 3.1 travels with the part, and class expects to see it before a bush goes into a surveyed shaft line.

Buying Checklist Before the Docking

Shaft drawing and measured sizes - nominal diameters are not enough; the quote should rest on the drawing plus actual micrometer readings from the last survey.
Material certificates - EN 10204 3.1 on bush and liner material, matched to what the class society approved for that shaft line.
Machining allowance stated - confirm whether the bush arrives finished or semi-finished, and who does the final boring.
Lead time against the dock window - a cast and machined bush has a production time that a docking postponement absorbs better than a docking advance.
Used and reconditioned options - bushes and liners recovered from recycled tonnage suit older vessels where OEM production has stopped; provenance and measurement records decide whether class will accept them.

Fitting, final boring, and the wear-down verification that follows belong with stern tube bearing service companies, and the cleanest dockings book the parts and the workmanship together.

Send the shaft drawing, the bearing material, and the docking dates in the opening inquiry. The vendors below can be sorted by brand, country, supplier specification, and IACS class approvals - and stern tube bearing and liner suppliers quote with confidence when the measurements arrive before the deadline pressure does.

Year Founded: 2004
Verified
ARK MARINE SERVICE INC.
Verified
We specialize in providing original equipment supplies, primarily for main and auxiliary engine spares. As a factory-based company, we ensure the best pricing without compromising on quality. Our dedicated logistics team handles all deliveries efficiently, offering competitive rates for air, sea, and courier services.
arkmarine.co.jp
rex.l@arkmarine.co.jp
+81463824545
CATEGORIES:
Stern Tube Liner (Bearings)
Air Compressors
Engines (2-Stroke)
Engines (4-Stroke)
15 PPM Monitoring Equipment
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
ARPA (Automatic Radar Plotting Aids)
AUS (Automatic Unloading Systems)
Accommodation Ladder Davits
Accommodation Ladders & Gangways
Air Driven Motors
Air Horns
Air Reservoirs
Air Starters
(150)
CLASS APPROVED:
IACS: ClassNK, BV
Year Founded: 2018
RM verified
MYTHMAR MARINE DANISMANLIK TIC. LTD. STI
RM verified
MYTHMAR MARINE as a spare parts broker has the knowledge and power to serve you well by providing all types of spare parts genuine, under license or O.E.M. in cooperation with our affiliated companies at competitive prices. We can provide you with new spare parts from Europe Poland, U.K., Denmark, Germany, etc., Japan, Korea, China, as well as used spare parts from India and Singapore, with warehouses in Greece, India, Bangladesh and China for second hand spares. We can negotiate prices and payment terms and delivery as manufacturers rely on our purchase and in our orders.
mythmar.com
info@mythmar.com
+902163920082
CATEGORIES:
Stern Tube Liner (Bearings)
15 PPM Monitoring Equipment
Accommodation Ladder Davits
Accommodation Ladders & Gangways
Air Compressors
Air Driven Motors
Air Horns
Air Reservoirs
Air Starters
AIS (Automatic Identification Systems)
Alpha Lubrication Systems
AMS (Alarm Monitoring Systems)
Anemometers
Anti-Heeling Systems
ARPA (Automatic Radar Plotting Aids)
AUS (Automatic Unloading Systems)
Automation Control Equipment & Control Units
Autopilot
BackWash Filters
BNWAS (Bridge Navigational Watch Alarm Systems)
(151)
Year Founded: 2009
ISLAND MARINE INTERNATIONAL
Island Marine International is a supplier for marine spare parts. We are expertise in Bridge to engine room spares parts. From the day of establishment, we try to increase our business range, range of spare parts and our client services. It is our supreme priority to build and sustain strong long-term relationship with our clients by providing solutions, on top of supplying spare parts. As a part of the supply chain, we understand the requirements of value for money, which is why we promise competitive prices for the highest quality spare parts and at the fastest delivery time. We are able to offer relatively lower prices and at a quicker delivery time as compared to our competitors. Having accumulated years of experience in this trade, our company has acquired an outstanding reputation for trustworthiness and reliability. This is the result of the zeal of our professional staff and skilled technicians in fulfilling the needs of our customers.
islandmarineint.com
sales@islandmarineint.com
+8801689211020
CATEGORIES:
Stern Tube Liner (Bearings)
15 PPM Monitoring Equipment
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
ARPA (Automatic Radar Plotting Aids)
AUS (Automatic Unloading Systems)
Accommodation Ladder Davits
Accommodation Ladders & Gangways
Air Compressors
Air Driven Motors
Air Horns
Air Reservoirs
Air Starters
Alpha Lubrication Systems
Anemometers
(160)
WAREHOUSES:
Bangladesh
Year Founded: 2024
BestBangla Marine and Trading Ltd
At BestBangla Marine Trading Ltd., we specialize in the supply, sourcing, and export of high-quality marine equipment tailored to meet the operational demands of vessels worldwide. From engine room machinery to navigation systems, deck tools to electrical componentswe deliver trusted equipment from leading global manufacturers. Our offerings include: Main Aux Engine Components Pumps, Compressors Purifiers Navigation Communication Systems Electrical, Hydraulic Pneumatic Equipment Deck, Safety Galley Equipment All equipment is inspected, tested, and verified for performance and reliability. Whether new, OEM, or reconditioned, we ensure your vessel is equipped to operate efficiently, safely, and without delay.
bestbangla.com.bd
engineering@bestbangla.com.bd
+8801857923456
CATEGORIES:
Stern Tube Liner (Bearings)
15 PPM Monitoring Equipment
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
ARPA (Automatic Radar Plotting Aids)
AUS (Automatic Unloading Systems)
Accommodation Ladder Davits
Accommodation Ladders & Gangways
Air Compressors
Air Driven Motors
Air Horns
Air Reservoirs
Air Starters
Alpha Lubrication Systems
Anemometers
(159)
WAREHOUSES:
Bangladesh
Year Founded: 2022
Zava Marine Corporation
Expert manufacturers of industrial equipment and spare parts, delivering precision-engineered, durable solutions for machinery, automotive, aerospace, and heavy industries. Custom fabrication, OEM/aftermarket parts, and global supply chain support
zavamarine.com
sales1@zavamarine.com
+19095889378
CATEGORIES:
Stern Tube Liner (Bearings)
AMS (Alarm Monitoring Systems)
Accommodation Ladders & Gangways
Air Compressors
Air Driven Motors
Air Horns
Air Reservoirs
Anti-Heeling Systems
Automation Control Equipment & Control Units
Alpha Lubrication Systems
(157)
CLASS APPROVED:
IACS: ABS, RINA, ClassNK, CCS, BV, CRS, PRS, TL, KR, LR, DNV, IRS
Non-IACS: RMRS, HRS, INSB Class, Other
WAREHOUSES:
China
Year Founded: 2025
HYDRINS MARINE LIMITED
Specializing in the maritime electronics industry and professional fiber optic compass manufacturer Providing professional services and selling all kinds of marine electronic products.We provides one-stop service including technical consultation, system design, equipment sales, installation and commissioning, maintenance. We have implemented the ISO9001 quality management system, which can provide customers with the highest quality service standards. There are a wide variety of products, and the agent cooperates with the worlds major brand-name products. These include: radio communication, satellite communication, internal communication, rescue, navigation, weather, comprehensive, entertainment, fishery, other and engine room automation control and alarm system. The products can be applied to new building ships, refurbished ships, fishing boats, inland river boats and yachts, etc.
info@tst-marine.com
+8613045000776
CATEGORIES:
Stern Tube Liner (Bearings)
15 PPM Monitoring Equipment
Accommodation Ladder Davits
Accommodation Ladders & Gangways
Air Compressors
Air Driven Motors
Air Horns
Air Reservoirs
Air Starters
AIS (Automatic Identification Systems)
Alpha Lubrication Systems
AMS (Alarm Monitoring Systems)
Anemometers
Anti-Heeling Systems
ARPA (Automatic Radar Plotting Aids)
(157)
CLASS APPROVED:
IACS: CCS