Ceramic ball especially Si3N4 have the following performance as low density, high strength, low friction coefficient, electrical and magnetism resistance, wear resistance, well rigidity, lubrication and maintenance free when working, it?��s the best choice for rollers (inner ring and outer ring are made by metal) of the hybrid construction ceramic ball bearing which are used in high-speed, high accuracy and long life environments. Normally, GCr15 or �]AISI440C,316 304) makes inner ring and outer ring; The ceramic ball can adopt ZrO2, Si3N4 or Sic

Our primary competitive advantages as follows:
. Well and High Quality Control
. Prompt Delivery
. New Product
.Good Reputation and service
. Customer's Designs and Logos are Welcome
. Competitive Prices
. Small Order Acceptable
. OEM Accepted

We are willing to give a warm wellcome to our customers for communications and order at home and aboard always.