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Ceramic Ball Series

Ceramic Ball have many advantages comparing with Steel Ball, the bearing come with ceramic ball can increase bearings performance and extend bearing life when used on High speed, Chemical, Vacuum and High temperature environment.

Product Feature
  • Good corrosion resistance.
  • Si3N4 ball only 40% weight of steel ball..
  • Better hardness than steel ball.
  • Lower thermal expansion than steel ball.
  • Excellent mechanical property even at 800OC temperature.
  • Better ball geometry & surface finish.
  • Work in low lubrication condition.


  • Ceramic ball series P/N list
Grade Ball Dia Variation
VDWS(um)
Allowable Deviation From
Deviation From Spherical
Form(um)
Surface Roughness
(um)
Lot Dia.
Variation(VDWL,um)
G5
0.13 0.13 0.014 0.25
G10 0.25 0.25 0.02 0.5
G16 0.4 0.4 0.032 0.8
G20 0.5 0.5 0.04 1
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