Extra Small / Miniature Ball Bearings

NSK extra small and miniature bearings are optimized by design and available variants to deliver precise and reliable motion and control in wide range of critical devices where space, mass and smooth rotation are essential.

Extra small and miniature ball bearings

Design Features

  • Manufactured with high purity steel for superior fatigue strength
  • Available with corrosion resistant stainless steel and / or silicon nitride ceramic balls
  • With standard cylindrical or flanged outer ring, special inner ring width, thin-walled cross-sections, or a special shape for synchros
  • Available as open bearings or with contact and non-contact seal and shield options
  • In inch and metric design types
  • Radial internal clearances MC1, MC2, MC3, MC4, MC5 and MC6
  • Dimension series 60, 62, 63, 67, 68 and 69
  • For shaft diameters ranging from 1 to 9 mm

Operating Benefits

  • Enable lightweight and compact designs
  • High speed, low noise performance with low torque
  • Wide range of design, material and sealing options

Fields of Application including

  • Measuring equipment
  • Medical devices