51101bearing 12*26*9
51101bearing 12*26*9
Ceramic bearings( including full ceramic bearings and Hybrid ceramic bearings), are usually made in Si3N4, ZrO2, Al2O3, SiC ceramic powder, sometimes hybrid with stainless steel races and glass balls
Comparison of bearing material technical data: |
|||||||
Performance |
Unit |
GCr15 |
9Cr18 |
Si3N4 |
ZrO2 |
|
|
Density |
g/cm3 |
7.8 |
7.9 |
3.2 |
6 |
|
|
Thermal expansion α |
10-6/℃ |
11 |
17 |
3.2 |
10.5 |
|
|
Elastic modulus E |
GPa |
208 |
200 |
320 |
210 |
|
|
Poisson's ratioμ |
|
0.3 |
0.3 |
0.26 |
0.3 |
|
|
HardnessHV |
|
800 |
700 |
1700 |
1300 |
|
|
Flexural strength δ |
Mpa |
2400 |
2600 |
900 |
1000 |
|
|
Compressive strength δ |
MPa |
|
|
2000 |
3500 |
|
|
Toughness Kc |
Nm/cm2 |
20 |
25 |
7 |
11 |
|
|
Thermal conductivity λ |
W/mk |
30-40 |
15 |
3.5 |
2.5 |
|
|
Electric resistance Ω |
mm2/m |
1 |
0.75 |
1018 |
1015 |
|
|
Specific heat |
J/KgK |
450 |
450 |
800 |
400 |
|
|
Temperature |
.℃ |
120 |
150 |
1000 |
800 |
|
|
Corrosion-resistant |
|
No |
Weak |
Strong |
Strong |
|
|
Stress cycles (50% failure probability) |
|
10*106 |
10*106 |
50*106 |
50*106 |
|
|
Contact fatigue failure modes |
|
Flake |
Flake |
Flake |
Flake/Break |
|
|
Magnetic |
|
Exist |
Exist |
Not Exist |
Not Exist |
|
|
Dimensional stability |
|
Poor |
Poor |
Good |
Good |
|
|
Insulating |
|
Not insulated |
Not insulated |
Good |
Good |
|
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High quality 51101 ( 0.016 ZrO2) 0.009(Si3N4) 0.0038(Plastic)0.021 (44 kg Mass, ID: 12 mm OD: 26 mm WD: 9 mm , P0-P6 Accuracy Class , stainless steel ,plastic , ceramic , chrome steel Material ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. 51101. then click the button " Send " The web site will make your purchasing information sent to the supplier's mailbox, who will come to contact you upon they get your information at the first time.
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