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Technologies

Unités

Units

The installation of the bearing itself and also the installation of the bearing in its working environment...

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Watertightness > Seals

Watertightness > Seals

When it comes to watertightness, JESA offers you a solution adapted to your needs. Whether you want...

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Geometry > internal / external

Geometry > internal / external

The secret of high-performance bearings is often hidden in the detail. The JESA specialists...

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Materials > Plastics - Steels

Materials > Plastics - Steels

At JESA, the choice of a steel or engineering polymer is not left to chance;  long experience combined with efficient...

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Lubrication

Lubrication

The quality of a ball bearing is dependent on that of its weakest component: the lubricant. All too often, lubrication is...

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Cages

Cages

The ball bearing cage is a discrete element but is extremely important for the product...

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Tests and simulations

Tests and simulations

Even though the most realistic test is still the one carried out on the customer’s machinery, various methods...

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