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RobertaTheir ceramic bearings are of high precision, good quality and inexpensive. We do have cooperation for many years. -
Olga WeinbergThis company is our reliable and professional supplier of ceramic bearings for many years, their ceramic bearings, which are used in our pump are good in quaility.
Contact Person :
Cooper wang
Phone Number :
86 15801087509
7207 Silicon Nitride Ball Bearing 35x72x17mm
| Place of Origin | China |
|---|---|
| Brand Name | CSQ |
| Model Number | 7207 |
| Minimum Order Quantity | 50 pcs |
| Price | Negotiable |
| Packaging Details | Plastik box+carton box |
| Delivery Time | 30-40 work days |
| Payment Terms | T/T |
| Supply Ability | 50 pcs in 30-40 work days |
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xProduct Details
| Name | 7207 Ceramic Bearing | Material | Zirconia Races+Silicon Nitride Balls+PTFE Cage |
|---|---|---|---|
| Precision | P6/ABEC3 | Diamater | 7207: 35×72×17mm |
| Ball | Si3N4 Ball Of 11.113mm | MOQ | 50 Pieces |
| Delivery Time | 30-40 Work Days | Pacage | Plastik Box+carton Box |
| Highlight | 7207 ball bearing CSQ,7207 Silicon Nitride Ball Bearings,7207 Silicon Nitride Ball Bearing 35x72x17mm |
||
Product Description
7207 Ceramic Bearing In Material Of ZrO2 Races+Si3N4 Balls+PTFE Cage
Description of 7207 Ceramic Bearing (ZrO2 Races+Si3N4 Balls+PTFE Cage):
1. ZrO2 races: Are made by highly purified, sub-micron and after Y2O3 partially stabled zirconia powder material, are processed by AP (Atmospheric Pressure) sintering and HIP (Hot Isostatic Pressure) sintering technology
2. Si3N4 Balls: Are made of highly purified, submicron silicon nitride powder with an alpha phase of more than 92%, and is processed by GPS (Gas Pressure) sintering and HIP (Hot Isostatic Pressure) sintering technology.
3. PTFEcage: has excellent chemical stability, can resistant to molten metal sodium and liquid fluorine, to all kinds of acid and alkali resistance and organic solvent,can work in +250℃ to -180℃ temperature for a long time.
Performance advantage of 7207 Ceramic Bearing (ZrO2 Races+Si3N4 Balls+PTFE Cage):
ZrO2 material can stand 380℃ working temperature and have high density, good wear resistance and high hardness (1300 HV5) , besides have excellent chemical stability, resistance to many kinds of strong acid and alkali corrosion. Si3N4 material, especially after HIP (hot isostatic pressure) sintered silicon nitride can work maximum at 1000 ℃, have high hardness (1580 HV5) and high fracture toughness too. Both have good chemical stability,resistance to acid and alkali corrosion and good electric insulation.
| Ceramic | Bearings | Dimension | Reference | |
| Bearings Model | Load Rating (Ref.) | Load Rating (Ref.) | Max Speed (Ref.) | Max Speed (Ref.) |
| Cr(N) | Cor(N) | Grease (rpm) | Oil (rpm) | |
| 7207CE | 27450 | 19900 | 20800 | 27300 |
Main application of 7207 Ceramic Bearing:
Because of the outstanding porperties, 7207 ceramic bearings are suitable for chemical, antimagnetic, semiconductor, new energy industry and corrosive working environment.
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