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Technical Data: Miniature Ball Bearings

Technical information on high-quality miniature ball bearings that achieve sub-micron high precision is provided.

This document contains various technical information about "miniature ball bearings," which have become essential components in the rotating parts of various devices. It includes various technical details related to miniature ball bearings, such as different conversion methods and material properties. [Contents] ■ Conversions from the International System of Units (SI) ■ N-kgf conversion table ■ Inch-mm conversion table ■ Hardness conversion table ■ Physical and mechanical properties of metallic materials ■ Basic tolerances and IT values ■ Comparison table of part numbers with other manufacturers, including ISC/NSK *Please download and view the technical document from the link below.

  • Metal bearings
  • Ball bearings

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Bearing Technical Information: Materials

This introduces information about the raceway of bearings and the materials of rolling elements.

At NSK Micro Precision, we develop, manufacture, sell, and provide services for unit products that combine miniature ball bearings, miniature ball bearings, and precision machined components. The raceway and rolling elements of bearings undergo rolling contact with sliding while repeatedly receiving contact pressure. Therefore, multiple properties are required for the materials of the bearing's raceway and rolling elements. [Properties Required for the Materials of Bearing's Raceway and Rolling Elements] ■ High rolling fatigue strength ■ High hardness ■ High wear resistance ■ Good dimensional stability ■ High mechanical strength ■ Ease of processing ■ Heat and corrosion resistance depending on the application *For more details, please refer to the PDF materials or feel free to contact us.

  • Metal bearings
  • Ball bearings

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