Product Details
ZrO₂ Deep Groove Ball Bearing
Parameter characteristics
Product Details
ZrO₂ Deep Groove Ball BearingDimensional Table
|
Bearing Model |
Overall Dimensions(mm) |
Mounting Dimensions(mm) |
Weight (kg) (Ref.) |
|||||||||
|
d |
D |
B |
r（Min） |
da（Min） |
da（Max） |
Da（Max） |
ra（Max） |
ZrO₂ |
Si₃N₄ |
plastic |
SUS |
|
|
604 |
4 |
12 |
4 |
0.2 |
5.6 |
/ |
10.4 |
0.2 |
0.0017 |
0.0009 |
0.0004 |
0.0023 |
Product Features
Zirconia (ZrO₂)all-ceramic bearing has the characteristics of anti-magneticinsulation,wear-resisting and corosion-resistant,oil-free self-lubrication,high temperature and cold resistance,etc.The expansion caused by temperature difference does not occur in the temperature rangeof 100℃ to 600℃ for along period of time.Can be used in strong acid,strong alkali,inorganic,organic salt,seawater and other extremely harshenvironment and special conditions,rings and rolling element using zirconia (ZrO₂)ceramicmaterials.,The protector use5(PTFE)as the standardconfguration,and can also use fberglass strong nylon66(GRPA66-25),special engineering plastics (PEK,PI),stainless steel(ASISUS316,SUS304),brass(Cu),etc.
Product Confguration
| Inner And Outer Ring |
ZRO₂ |
|
Cage |
PTFE ( Poly tetra fuoroethylene )、PEEK ( polyetheretherketone )、PA ( Polyamide )UPE(Ultra-high molecular weight polyethylene)、SUS( stainless steel ) |
|
Ball |
ZRO₂(Zirconia)、Sl₃N₄(Siliconnitride)、SSlc(Silicon carbide) |
|
Seal |
Open、ZZ、2RS |
Corrosion Resistance of Zirconia Ceramic Bearing
| Chemical Environment |
Molecular Formula |
Contents % |
Temperature | Anti-corrosion Property |
|
Acetic Acid |
CH3COOH |
|
Boiling |
Exeellent |
| Acetic Acid/Acetic Anhydride |
CH3COOH+CH3CO |
50/80 |
Boiling |
Exeellent |
|
Water+Sodium Chloride |
H2C03 |
|
Boiling |
Exeellent |
|
Carbonic Acid |
H2C03 |
|
Boiling |
Exeellent |
|
Copper |
Cu |
|
1400℃ |
Exeellent |
| Sour Food |
|
|
Boiling |
Exeellent |
|
Fruit Juice |
|
|
Boiling |
Exeellent |
|
Hydrochloric Acid |
HCL |
35 |
25℃ |
Good |
|
Hydrochloric Acid+Iron Oxide |
HCl+FaCl2 |
|
Boiling |
Good |
|
Hydrofluoric Acid |
HF |
|
25℃ |
None Resistant |
|
Nitric Acid |
HN03 |
83 |
25℃ |
Good |
|
Nitric Acid+Hydrochloric Acid |
HN03+HCL |
80+20 |
Boiling |
Good |
|
Phosphoric Acid |
H3P04 |
85 |
25℃ |
Exeellent |
|
Potassium Hydroxide |
KOH |
|
25℃ |
Exeellent |
| Sodium Carbonate+Sulfuric Acid |
Na2C03 4-H2S03 |
18/20 |
925℃ |
Exeellent |
|
Sodium Hydroxide |
NaOH |
|
Boiling |
Exeellent |
|
Sulfuric Acid |
H2S04 |
20 |
25℃ |
Exeellent |
|
Sulfuric Acid |
H2S04 |
98 |
50℃ |
Good |
|
Aluminium |
AL |
100 |
700℃ |
Exeellent |
|
Zinc |
Zn |
100 |
5000℃ |
Good |
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