Beijing Zhongxing Shiqiang CERAMIC BEARING Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | Negotiable |
| Delivery Time | Negotiable |
| Packaging Details | Plastik box+carton box |
| Name | 680 Series Miniature Ceramic Deep Groove Balls Bearings |
| Model | 680 series |
| Race material | Zirconia or silicon nitride or silicon carbide |
| Ball material | ZrO2/Si3N4/SSiC |
| Precision | P6/ABEC3 to P4/ABEC7 |
| Clearance | C0/C3 or customized |
| Brand Name | CSQ |
| Model Number | 680 series |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | Negotiable |
| Delivery Time | Negotiable | Packaging Details | Plastik box+carton box |
| Name | 680 Series Miniature Ceramic Deep Groove Balls Bearings | Model | 680 series |
| Race material | Zirconia or silicon nitride or silicon carbide | Ball material | ZrO2/Si3N4/SSiC |
| Precision | P6/ABEC3 to P4/ABEC7 | Clearance | C0/C3 or customized |
| Brand Name | CSQ | Model Number | 680 series |
| Place of Origin | China | ||
| High Light | silicon nitride bearings ，688 ceramic bearing ，Silicon Nitride Ceramic Bearings 36000rpm | ||
680 Series Miniature Ceramic Deep Groove Balls Bearings Of ZrO2/Si3N4/SSiC
Why choose us:
In addition to the mass production types-608, our company can according to the different needs of users, custom-make all ceramic bearings and hybrid ceramic bearings with ceramic balls of all precision levels, customized size range can be: inner diameter from 5 to 120mm, outer diameter from 10 to 200mm, including special non-standard size, special non-standard clearance, pairing and universal pairing angular contact high-speed, super high-speed bearings with ceramic ball and etc.
Performance advantages of ceramic material:
| ►Key properties of zirconia |
| ♦ Max Temperature up to 380℃ |
| ♦ High density: 6.09 g/cm3 |
| ♦ Low thermal conductivity |
| ♦ Chemical stability, resistance to acid and alkali corrosion |
| ♦ High fracture toughness KIC:8-11 MPa-m1/2 |
| ♦ Good electric insulation |
| ♦ Better bearing capacity |
| ♦ Wear resistance |
| ♦ High hardness : 1300 HV5 |
| ► Key properties of hot isostatic sintered silicon nitride |
| ♦ Max temperature to 1000℃ |
| ♦ High strength over a wide temperature range |
| ♦ High fracture toughness: 6.1 MPa-m1/2 |
| ♦ High hardness: 1580 HV5 |
| ♦ Outstanding wear resistance, both impingement and frictional modes |
| ♦ Good thermal shock resistance |
| ♦ Good chemical stability,resistance to acid and alkali corrosion |
| ♦ Good electric insulation |
| ►Key properties of pressureless sintered silicon carbide |
| ♦ Max Temperature up to 1650℃ |
| ♦ Low density:3.15-3.18 g/cm3 |
| ♦ High strength |
| ♦ Low thermal expansion : 4.0 (10-6/℃) |
| ♦ High thermal conductivity:120 W/m°K |
| ♦ High hardness:2800 HV5 |
| ♦ High elastic modulus: 410GPa |
| ♦ Superior chemical stability,resistance to acid and alkali corrosion (incld. hydrofluoric acid) |
Reference data of 680 series Miniature Ceramic Deep Groove Balls Bearings:
| Bearings model | Form size d (mm) | Form size D (mm) | Form size B (mm) | Load Cr (N) | Load Cor (N) | Max.Speed Grease (rpm) | Max. Speed Oil (rpm) |
| 684CE | 4 | 9 | 2.5 | 564 | 227 | 53000 | 63000 |
| 685CE | 5 | 11 | 3 | 630 | 282 | 45000 | 53000 |
| 686CE | 6 | 13 | 3.5 | 952 | 442 | 40000 | 50000 |
| 687CE | 7 | 14 | 3.5 | 1032 | 513 | 40000 | 50000 |
| 688CE | 8 | 16 | 4 | 1102 | 592 | 36000 | 43000 |
| 689CE | 9 | 17 | 4 | 1168 | 668 | 36000 | 43000 |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2005
Total Annual:
3000000-5000000
Employee Number:
160~200
Ecer Certification：
Verified Supplier
Beijing Zhongxing Shiqiang Ceramic Bearing Co., Ltd., founded in 2005, situated in No. A38 Weishanzhuang Industry District, Daxing District ,Beijing, is the first company in China to invent and manufacture rare-earth ceramic bearings. The rare-earth ceramic bearings have characteristics of st... Beijing Zhongxing Shiqiang Ceramic Bearing Co., Ltd., founded in 2005, situated in No. A38 Weishanzhuang Industry District, Daxing District ,Beijing, is the first company in China to invent and manufacture rare-earth ceramic bearings. The rare-earth ceramic bearings have characteristics of st...
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