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Home » Products » Deep Groove Ball Bearing » White Ball Ceramic Zirconia Oxide ZrO2

White Ball Ceramic Zirconia Oxide ZrO2

Application of Ceramic Balls :

Ceramic ball can be used in all bearings with special requirement, metering ball , valve ball, track ball, and precision grinding ball; it can be used in fields requiring chemical resistance, high temperature, electronic insulation, magnetic insulation, non-lubrication. It is an idea substitute for steel ball in chemical corrosion application.

 

Material: Zirconia, Alumina, Si3N4

Size Range: 1mm - 30mm.

Grade: G3 - G20

Availability:
Quantity:
  • White Ball Ceramic Zirconia Oxide ZrO2
  • MVPS

China Wholesale Small White Ceramic Balls Specfication :


Product Name
Precision Ceramic balls
Material
Zirconia Oxide
Size
1mm - 30mm
Grade
G3- G20mm
Surface Roughness
Ra0.05
Torlerance
+/- 0.001mm
Lead time
10days
Shipping
Air Express (DHL/UPS/TNT/ FedEx)



ball ceramic
loose ceramic ball bearings



Standard Sizes List Of Ceramic Balls

Inch Size
MM Size
Inch Size
MM Size
Inch Size
MM Size
Inch Size
MM Size
1/16
1.588
5/16
7.938
9/16
14.288
15/16
23.812
3/32
2.381
11/32
8.731
19/32
15.081
1
25.4
1/8
3.175
3/8
9.525
5/8
15.875
17/16
26.988
5/32
3.969
13/32
10.318
21/32
16.668
9/8
28.575
3/16
4.762
7/16
11.1125
11/16
17.462
19/16
30.162
7/32
5.556
29/64
11.509
23/32
18.256
5/4
31.75
15/64
5.953
15/32
11.906
3/4
19.05
21/16
33.338
1/4
6.35
31/64
12.303
25/32
19.844
11/8
34.925
17/64
6.747
1/2
12.7
13/16
20.638
23/16
36.512
9/32
7.144
17/32
13.494
7/8
22.225
3/2
38.1

Grades of Precision for Ceramic Bearing Balls:

Grades
Diameter Variation
Spherical Deviation
Diameter Variation of Batch
Surface
Roughness(Ra)
G5
0.13
0.13
0.25
0.014
G10
0.25
0.25
0.5
0.020
G16
0.4
0.4
0.8
0.025
G20
0.5
0.5
1
0.032
G28
0.7
0.7
1.4
0.050
G40
1
1
2
0.080
G60
1.5
1.2
3
0.1
G100
2.5
2.5
5
0.125



Properties of Best Ceramic Balls Materials:


Item
Units
Si3N4
ZrO2
GCr15
9Cr18
Color
-
Black
White
Grey
Grey
Density
g/cm3
≥3.20
5.95-6.05
7.85
7.85
Hardness (HV)
Gpa
16
12
7
7
Flexural Strength
Mpa
>720
900
-
-
Fracture Toughness
Mpa.m1/2
6.2
7
20
25
Elasticity Modulus
Gpa
300
210
208
200
Coefficient of Thermal Expansion
10-6/℃
3.0-3.2
10.3
12.5
17
Thermal Conductivity
w/m.k
15-20
2.2
40
40
Volume Resistivity
Ω.cm
>1014
1012
0.1-1
0.1-1
Max. Operating Temp.
(No load)
1200
850
300
150


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Micheal is a professional supplier and exporter specializing in bearings and bearing solutions. The company is located in Tianjin, one of the largest 
seaports in northern China.......
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