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Maytronics Drive Pulley MKL BEARINGS have Maytronics 3883645 Drive Pulley,we have sample in stock ,sample can be provide before order . more
Custom Plastic Gear Drive Pulley Bearings MKL BEARINGS produce 698zz custom made plastic gear bearings for underwater applications,we have sample in stock ,free sample can be provide before order . more
Double Row Integrated Gear Plastic Ball Bearings MKL BEARINGS Produce POM Plastic bearings with outer gear bearings, can used for underwater robot drive wheels, beer cleaning equipment,we can provide sample before order . 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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