Bearings, Seals and Couplings


Duramax® Marine is the world leader in water-lubricated rubber bearing technology for military propulsion shaft applications.

A stern tube bearing (split scalloped shell Johnson Cutless® bearing).

Romor® I bearing staves are fully interchangeable with brass backed Class I staves.

The Duramax® shaft seal system is designed to solve problems associated with other shaft seals.

A Johnson commercial stuffing box - ruggedly constructed, offering dependable performance from air, water and grease services.


gumeta water lubricated rubber bearings – for the safe and reliable bedding of the propeller shafts of your compartments boats, freighters, tankers and passenger ships.

gumeta bearings – first class quality, tailored to suit your needs, ready to be installed.

The navy arrange their shafts with gumeta rubber shaft bearings, as do dockyards, shipping companies, pleasure boat companies, barges and the river and harbour police.

gumeta offer a wide range of products produced to the highest quality standards, and approved by the major classification societies.


Large ProfiSeal propeller shaft seals 100mm to 180mm.

Water and oil-lubricated ProfiSeal propeller shaft seals are designed for marine shafts with diameters ranging from 20mm to 90mm and 100mm to 180mm.

New in the product portfolio is the ProfiSeal bulkhead seal, designed for shaft diameters from 50mm to 400mm and gliding speeds up to 40m/s.

CENTALINK, the silent drive shaft, is proven in applications such as shaft lines of up to 25m and torque ranges of up to 540KNm.

Silverline water-lubricated rubber bearings, for shaft diameters from 20mm to more than 1,000mm and gliding speeds from 0.05m/s to 35m/s, are accepted by all major classification societies.


The Roxtec transits for cables, metal pipes and plastic pipes protect people and investments against risks caused by fire, water, gas and explosions.

Roxtec Multidiameter™ enables a perfect fit regardless of the cable or pipe dimension; logistics are simplified thanks to a drastic reduction of inventory.

The Roxtec RS PPS/S seals allow the use of plastic pipes.

Round Roxtec transits are available for installations in round openings or sleeves; the pneumatic pipes are routed and sealed through the same opening.

The Roxtec RS PPS/S seal provides fire protection for a variety of thermo-plastic pipes.


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