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LFR5201KDD U Groove Track Roller Bearings 12x35x15.9mm LFR5201KDD U groove track roller bearings are produce with Chrome steel Gcr15 ,we can provide sample for you test . more
SG25 U Groove Ball Track Guide Bearings 8*30*14mm SG25 bearings are produce with Chrome steel Gcr15 ,we can provide sample before order . more
S51106 Thrust Ball Bearings 30x47x11mm S51106 Stainless steel thrust ball bearing,produce with stainless steel ,we can provide with OEM service for you . more
ceramic balls with material ceramic ZRO2 can use for bearings and we have precision such as G5 G10 G20 G50
item no.:
5/32' 3.969mm 1/16'lead time:
7 days after confirm ordershipping port:
Ningbo ,Shanghai,Guanzhoucolor:
black whiteMOQ:
1
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)
|
|
|
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
|
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
|
|
|
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