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BY INDUSTRY

Construction

Construction industry lies at the base of the world economy.

Construction industry lies at the base of the world economy. 

Be it residential, commercial, heavy, civil or industrial edifice, they all require reliable heavy duty machinery and long term, trouble free functioning. JTEKT supplies both standard and customized Koyo products to serve those demanding applications. 

The construction industry may be showing a differential growth pattern all over the world, nonetheless the use of modern technologies is always a must in order to assure reliability and efficiency.

Construction machinery designed for high performance in extreme harsh environments calls for bearings which can withstand these working conditions and at the same time guarantee proper functioning over a long time span. At JTEKT we follow the latest developments in the construction industry closely and our bearings are designed in order to meet up with the demands of this industry.

Experience and capabilities

JTEKT products are present in construction vehicles and equipment, whether in their drivetrain, in their power units or in their accessories. Typical applications are planetary 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.

Products:

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

What is an angular contact ball bearing?

An angular contact ball bearing uses axially asymmetric races. An axial load passes in a straight line through the bearing, whereas a radial load takes an oblique path that tends to want to separate the races axially. So the angle of contact on the inner race is the same as that on the outer race. Angular contact bearings better support "combined loads" (loading in both the radial and axial directions) and the contact angle of the bearing should be matched to the relative proportions of each. The larger the contact angle (typically in the range 10 to 45 degrees), the higher the axial load supported, but the lower the radial load. In high speed applications, such as turbines, jet engines, and dentistry equipment, the centrifugal forces generated by the balls changes the contact angle at the inner and outer race. Ceramics such as silicon nitride are now regularly used in such applications due to their low density (40% of steel). These materials significantly reduce centrifugal force and function well in high temperature environments. They also tend to wear in a similar way to bearing steel—rather than cracking or shattering like glass or porcelain.

Most bicycles use angular-contact bearings in the headsets because the forces on these bearings are in both the radial and axial direction.

For more information please click here “Products”

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