Full Ceramic Ball Bearings ZrO2 1300 HRC
As a professional high quality Full Ceramic Ball Bearings ZrO2 1300 HRC manufacturers, you can rest assured to buy Full Ceramic Ball Bearings ZrO2 1300 HRC and we will offer you the best after-sale service and timely delivery.
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Product Description
As a professional high quality Full Ceramic Ball Bearings ZrO2 1300 HRC manufacturers, you can rest assured to buy Full Ceramic Ball Bearings ZrO2 1300 HRC and we will offer you the best after-sale service and timely delivery.
Product Parameter
|
Material: |
ZrO2 |
Density: |
6.0 G/cm3 |
|
Material Of Rings & Balls: |
Full ZrO2 Ceramic Material |
HV Hardness: |
1300 HRC |
|
Coefficient Of Expansion: |
1.50 10^-6/℃ |
The Highest Temperature: |
500℃ |
|
High Light: |
ceramic ball bearings , ceramic balls for bearings |
||
Full Complement Balls Of ZrO2 Ceramic Bearings, Full Ceramic Bearings
Full Ceramic Bearings of full complement balls of ZrO2 material has an add-ball gap on its side. Because using no cage design, Full Complement Balls Of ZrO2 Ceramic Bearings is able to install more ceramic balls than the standard construction, so the heavier radial load ability could be increased more. In addition, to avoid the limited of the cage material, Full Complement Balls Of ZrO2 Ceramic Bearings has more corrosion resistance and higher temperature application than the full ceramic bearing of ceramic cage. This series of Full Complement Balls Of ZrO2 Ceramic Bearings is not for high-speed circumgyration, so the side with gap shouldn’t be installed on enduring axial load side. As there are add-balls gaps in the inner and outer rings, Full Complement Balls Of ZrO2 Ceramic Bearings couldn’t be used in more axial load application. The highest temperature of recommendation is 500℃.
Comparison of bearing material technical data
|
Technical data |
unit |
GCr15 |
9Cr18 |
Si3N4 |
AL203 |
ZrO2 |
|
Density |
g/cm³ |
7.8 |
7.9 |
3.2 |
3.95 |
6 |
|
a Coefficient of expansion |
10^-6/℃ |
11 |
17 |
3.2 |
9.1 |
10.5 |
|
E modulus of elasticity |
Gpa |
208 |
200 |
320 |
380 |
210 |
|
μ Poisson ratio |
0.3 |
0.3 |
0.26 |
0.27 |
0.3 |
|
|
HV Hardness |
800 |
700 |
1700 |
1800 |
1300 |
|
|
δ Flexural strength |
Mpa |
2400 |
2600 |
900 |
220 |
1000 |
|
δ Compressive Strength |
MPa |
2000 |
1500 |
3500 |
||
|
Kc Impact strength |
Nm/cm² |
20 |
25 |
7 |
3.5 |
11 |
|
λ Thermal conductivity |
W/mk |
30-40 |
15 |
3.5 |
25 |
2.5 |
|
Ω Specific resistivity |
mm²/m |
1 |
0.75 |
10^18 |
10^8 |
10^5 |
|
Specific heat |
J/KgK |
450 |
450 |
800 |
880 |
400 |
|
Application temperature |
℃ |
120 |
150 |
1000 |
1850 |
800 |
|
Anti-corrossion |
No |
poor |
Good |
Good |
Good |
|
|
Cycle stress |
10*10^6 |
10*10^6 |
50*10^6 |
30*10^6 |
50*10^6 |
|
|
Destroy model |
peel |
peel |
peel |
fracture |
peel/fracture |
|
|
Anti-magnetism |
Yes |
Yes |
No |
No |
No |
|
|
Dimension stability |
bad |
poor |
Good |
Good |
Good |
|
|
Insulate properties |
No insulation |
No insulation |
Good |
Good |
Good |
Basic properties of staple engineer plastic
|
Material |
HDPE |
PP |
POM |
PA66 |
PVDF |
PPS |
PTFE |
PEEK |
|
Long-time working temp. |
90 |
100 |
110 |
100 |
150 |
230 |
260 |
280 |
|
Density |
g/cm3 |
0.91 |
1.42 |
1.14 |
1.77 |
1.35 |
2.18 |
1.32 |
|
Ball indentation hardness |
50 |
80 |
170 |
170 |
80 |
190 |
30 |
|
|
Tensile stress |
25 |
30 |
70 |
80 |
50 |
75 |
25 |
95 |
|
Sliding friction coefficient |
0.29 |
0.3 |
0.34 |
0.35-0.42 |
0.3 |
0.08-0.1 |
0.3-0.38 |
|
|
Melted temperature |
130 |
165 |
175 |
260 |
172 |
280 |
327 |
343 |
|
Short-time highest application temperature |
90 |
140 |
150 |
170 |
150 |
260 |
260 |
300 |
|
Coet of Inear expansion (10^-5/K) |
13-15 |
17 |
10 |
8 |
13 |
5 |
12 |
5 |
|
Dielectric constant at 1 Mhz(10^6HZ) |
2.4 |
2.25 |
3.7 |
3.6-5 |
8 |
2.1 |
3.2-3.3 |
|
|
Volume resisrivity (Ω·cm) |
>10^15 |
>10^24 |
>10^14 |
10^13 |
10^12 |
>10^13 |
10^14 |
10^13 |
|
flammability UL94 |
+ |
+ |
- |
(+) |
(+) |
- |
+ |
+ |
|
Anti-weathering |
- |
- |
- |
- |
- |
- |
+ |
- |
|
Note: + =resistant; (+) =partly resistant; - =non-resistant |
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