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Established in 1949, ISC Miniature Ball Bearings are manufactured by NSK Micro Precision Co. Ltd. Miniature ball bearings have become essential components in the rotating elements of various instruments and machines. With the trend of downsizing of various machines and equipment, ISC prepared a wide variety of products with small size, light weight, low torque, low noise and long durability to cope with the required applications. For example, ISC dental bearing performs exceptionally as the critical part for a dental hand piece in which super high precision and ultra-high speed rotation are required.

ISC manufactures hundreds of kinds of miniature bearings, including specialized types, from extremely small bearings with a 1.0mm bore diameter and a 3.0mm outer diameter to bearings that are about 20mm in outer diameter.


NSK Micro Precision Co. Ltd. ISC have been responding to customers’ needs by customizing the design and manufacturing for each customer’s specific needs. Based on this practice, ISC employed a more proactive stance by incorporating and anticipating customer needs by designing and producing the world’s smallest miniature radial deep groove ball bearing with ultra-small and ultra-thin dimensions, with an outer diameter of 2.0mm and a bore diameter of 0.6mm.

Product Range

  • Anti-Corrosion Bearings
  • Deep Groove Ball Bearings with Extended Inner Rings
  • Deep Groove Ball Bearings with Flanged Outer Rings
  • Dental Turbine Bearing
  • Extra Thin Section Deep Groove Ball Bearings
  • High Precision Tools
  • Pivot Ball Bearings
  • Single-Row Deep Groove Ball Bearings
  • Thrust Angular Contact Bearings
  • Thrust Ball Bearings with or without Groove
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