Beijing Zhongxing Shiqiang CERAMIC BEARING Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | Negotiable |
| Delivery Time | Negotiable |
| Packaging Details | Plastik box+carton box |
| Name | Si3N4/ZrO2/SSiC Miniature Deep Groove Balls Bearings |
| Model | 630 series: 634-639 |
| Race and balls | In material of Si3N4 or ZrO2 or SSiC |
| Precision | P6/ABEC3 to P4/ABEC7 |
| Pacage | Plastik box+carton box |
| MOQ | 50 pieces |
| Brand Name | CSQ |
| Model Number | 630 series: 634-639 |
| 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 | Si3N4/ZrO2/SSiC Miniature Deep Groove Balls Bearings | Model | 630 series: 634-639 |
| Race and balls | In material of Si3N4 or ZrO2 or SSiC | Precision | P6/ABEC3 to P4/ABEC7 |
| Pacage | Plastik box+carton box | MOQ | 50 pieces |
| Brand Name | CSQ | Model Number | 630 series: 634-639 |
| Place of Origin | China | ||
| High Light | silicon nitride ceramic bearings ，626 ceramic bearings ，627 ceramic bearings | ||
Si3N4/ZrO2/SSiC Miniature Deep Groove Balls Bearings Of 630 Series Model
Why choose us:
At present, our company has abilities to produce fast all models of ceramic miniature ceramic bearings in material of silicon nitride, zirconium oxide or silicon carbide. Ceramic Bearing are anti strong acid, strong alkali,salt and other corrosive media erosion, high temperature resistance, wear resistance, light structure, high speed limit, low noise, electricity insulation, the dimension keep stable under high temperature, smaller startup torque, keep working under bad lubricant condition, having longer using lifespan, and common metal incomparable advantages. Our company has our own material recipe and abundant production experiences, welcome your inquiry.
Material properties of our ceramic material:
All th data is based on our own experiments.
| Material Properties | Units | SSiC | HIP-Si3N4 | GPS-Si3N4 | HIP-ZrO2 |
| Density | g/cm3 | 3.15-3.18 | 3.27-3.29 | 3.22-3.27 | 6.05-6.09 |
| Porosity | % | 0 | 0 | 0 | 0 |
| Fledural Strength | MPa | 550 | 830 | 689 | 900 |
| Elastic Modulus | GPa | 410 | 310 | 310 | 200 |
| Hardness | HV5 | 2800 | 1580 | 1450 | 1300 |
| Fracture Toughness KIC | MPa.m1/2 | 4.6 | 6.1 | 5.7 | 8-11 |
| Maximum Use Temperature | ℃ (℉) | 1650 (3000) | 1000 (1830) | 1000 (1830) | 380 (716) |
Reference data of 630 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) |
| 634CE | 4 | 16 | 5 | 1179 | 523 | 36000 | 43000 |
| 635CE | 5 | 19 | 6 | 2056 | 896 | 32000 | 40000 |
| 636CE | 6 | 22 | 7 | 2930 | 1423 | 30000 | 36000 |
| 637CE | 7 | 26 | 9 | 4015 | 1983 | 28000 | 34000 |
| 638CE | 8 | 28 | 9 | 4015 | 1983 | 28000 | 34000 |
| 639CE | 9 | 30 | 10 | 4100 | 2080 | 24000 | 30000 |
Products picture of 630 series Miniature Ceramic Deep Groove Balls Bearings:
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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