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Super Precision Bearing

JTEKT continually offers the best technologies, quality, and services, through inspiration from the market and putting efforts into research and technical developments

JTEKT continually offers the best technologies, quality, and services, through inspiration from the market and putting efforts into research and technical developments. We offer a wide range of Koyo super precision ball bearings which are being used for the most demanding applications such as machine tools and ball screw shafts.

Our super precision ball bearings are well known for their high accuracy, speed and performance and are available in the following types:

  • Angular contact ball bearings
  • Cylindrical ball bearings
  • Tapered roller bearings
  • Support bearings for precision ball screws
  • Support bearing units for precision ball screws

Bearing 3D
FAQ

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.

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