We rely on the production of food, fiber and other agricultural products more than we realize.

We rely on the production of food, fiber and other agricultural products more than we realize.

The machines and tools which are being used to grow and collect the crops must be in the best possible condition in order to increase and optimize the productivity and fulfill the needs of the world’s growing population.

Agricultural applications are asking for bearing designs which are at the same time reliable in operation as well as dirt- and humidity-proof. Furthermore, agriculture equipment such as tractors, mowers, silage cutters, cultivators, front loaders, trailers, harvesters, baler pressers, hoes and ploughs need to be provided with bearings capable of faultless operation under significant temperature changes and varying load, speed and surrounding conditions.

The importance of bearings in agriculture machines is essential. With our knowledge and experience in this field JTEKT has developed Koyo bearings which can withstand ‘the elements’ and provide reliable operation at any time.

Experience and capabilities

JTEKT products are present in all agriculture and construction vehicles and equipment, whether in their drivetrain, in their power units or in their accessories. Typical applications are planetary, helical and spur gear reducers, steering systems, pumps and driveshaft. The unbeatable quality of our products and their specific designs allow our customers to guarantee superior performance to the end users under the extreme operating conditions (temperature, pollution, etc.) of those applications.


  • Tapered roller bearings
  • Ball bearing units
  • Solid race needle bearings
  • Cylindrical roller bearings
  • Cage & Roller assemblies
  • Universal joint bearings
  • Needle rollers sets
  • Thrust bearings
Bearing 3D

What is a spherical roller bearing?

Spherical roller bearings feature a large load rating and self-aligning capability. This type of bearing is suitable for low- or medium speed applications which involve heavy or impact loading. Spherical roller bearings are self-aligning, double-row, combination radial and thrust bearings.

They use a spherical or crowned roller as the rolling element. The outer ring contains a spherical race which allows for some misalignment of the shaft and housing. Spherical roller bearings are unequalled in their capacity for high loads and tolerance to shock loads, but have limited speed capabilities.

They perform consistently, even under conditions of extreme speed, application-specific stress, and marginal lubrication. The cage of a spherical roller bearing provides high dimensional accuracy and functionality. According to some estimates, spherical roller bearings have twice the running life of conventional bearings.

For more information please click here “Products

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