Henan, China
Business Type:
Business Range:
Agriculture & Food, Arts & Crafts, Auto, Motorcycle Parts & Accessories, Chemicals, ...
Number of Employees:
Management System Certification:
ISO9001:2008, Weapon Equipment Quality Management System Certificate
OEM/ODM Availability:
OEM/ODM Service
Sample Available

Ceramic Ball, Bearing Ceramic Ball manufacturer / supplier in China, offering Zys Bearing Ceramic Balls with High Quality, Zys Machine Spare Part Air Cooling Spindle Milling Spindle 100xd24 with 1.5kw, Zys Atc Spindle Carving and Milling Spindle 1.2 Kw 80xd24 with Electric Motor and so on.

Diamond Member Since 2014
Audited Supplier

Zys Bearing Ceramic Balls with High Quality

Min. Order / Reference FOB Price
1,000 Pieces US $0.1/ Piece
Port: Shanghai, China
Payment Terms: L/C, T/T, D/P
Customized: Customized
Certification: ISO
Standard Parts: Yes
Universal: Yes
Type: Bearing Ball
Material: Ceramic

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Basic Info.

Model NO.
Si3N4 is a new kind of bearing material with several good features, it possesses high temperature resistance, corrosion resistance, insulation, non-magnetism, high strength, low density and other features. In the application of bearing, it possesses low friction, low temperature rise, high rigidity, low centrifugal force and other features. It can implement high speed, high precision, high temperature, high rigidity, corrosion resistance and other good features.
The high precision and high performance silicon nitride bearing ball is manufactured by  spray-drying process, near-net-shape, cold isotatic pressing, GPS-HIP combined sintering, compounded abrasive lapping process effectively. The precision grade of it is G5, the materials class is I.

Zys Bearing Ceramic Balls with High Quality
ZYS Si3N4 ceramic ball material grades
Materials class
PropertyBending strengthσ3.40(Mpa)900800600
Crushing load ratio(%)353530
Fracture toughness(Mpa.m1/2)
The limit does of fiber structurePore sizem)101025
Crystal phasem)101025
The second ceramic phasem)252525
The maximum of inclusion of transverse section every
Square centimeter
Range 200m)001
Range 100~200m)012
Range 50~100m)124
Range 20~50m)4816

Examples of Si3N4 ceramic ball's common applications
 G3G5G10 G16G20 G28 G40
Class IHigh speed power equipment
Space mechanism
Aircraft instrument
Liquid oxygen pump
Active shaft bearing
The key parts of aerospace equipment 
Class IIMolecular turbo-pump
High precision star bearing
Vacuum equipment, high speed instrument, mechanical devices, high performance and the most advanced contacting spherical propellerMotor, medium-low precision star bearingTesting bearing ball, separating bearing ball
Class III  Sport, entertainment, food processingMechanical devices

ZYS Si3N4 ceramic ball specifications
The nominal diameter of bearing ballThe nominal diameter of bearing ballThe nominal diameter of bearing ball
 1/325 8.73111/32
0.8 5.5 9.5253/8
1 5.5567/3211.1127/16
2 6 12.71/2
2.5 6.5 14.2889/16
3 6.74717/6415.08119/32
3.9695/327 15.8755/8
4 7.1449/3219.053/4
4.5 7.5 25.41
4.7623/167.9385/1631.751 1/4
Note:  The special specification can be manufactured after negotiating


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