Silicon Nitride (Si3N4) Ceramic Balls General InformationCeramic balls are particularly suited to harsh environments. Their main advantages over steel is that they have a density of 40% lower than steel. Have 29% lower thermal expansion and are 150% harder. In certain high-speed applications their life is extended by as much as a hundred times.
Size Range0.5mm to 25.4mm
Grade AvailableG5/G10/G20
HardnessHV 1400-1700
FeatureDensity of 40% lower than Steel
60% less weight than Steel
Excellent corrosion resistance against harsh chemicals and environments
Superior surface Ra 0.004µm / 0.010µm possible depending on size
100% Higher hardness
Life expectancy can be as much as 10 times more than steel
Operating temperatures up to 800ºC
Less bearing operating noise
ApplicationsHybrid / Spindle Bearings
Wind Turbine Generators
Fuel Injection Systems
Ballscrew / Linear Guides
Hard Disc Drives
Dental Handpieces
Valves
Maximum Working Temperature1000ºC
Corrosion ResistanceInert to most substances
Zhongshan Qianrun Precision Steel Ball Co., Ltd. is a leading manufacturer of precision steel balls in China. Products include stainless steel ball, chrome steel ball, carbon steel ball, glass ball, ceramic ball and plastic ball. Available size is from 0.5mm to 50.8mm. The technology have advanced rapidly through several years' efforts, the grade precision finally reaches G5. It is a qualitative leap so that Q. R. Company fill missing technology in domestic market.
Our precision steel balls are widely used in bearing, lithium battery, micro motor, precision tool, automobile part, precision instrument, medical equipment and cosmetic industry. 70% products export to worldwide buyers, 30% for domestic industrial customers. Because of high quality and good service, Q. R. Constantly gets customers approval and the high praise. Here we would like to thank all of their supports to accompany us grow together.
Customer supreme and best service is our aim. Q. R. Is a reliable steel ball manufacturer and certificated with ISO9001: 2008, ISO14000, TS16949. Meanwhile, we have applied for technology patent for our own designed roller soring machine HRT-1201, which being 4 times efficiency compare with traditional machine, but 1/4 labor cost only. This new machine is designed by totally enclosed type, shapely and clean, good dustproof design & high-efficiency working performance.
