Beijing Zhongxing Shiqiang CERAMIC BEARING Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | Negotiable |
| Delivery Time | Negotiable |
| Packaging Details | Plastik box+carton box |
| Name | Ceramic Miniature Deep Groove Balls Bearings |
| Model | 620 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 |
| Pacage | Plastik box+carton box |
| MOQ | 50 pieces |
| Brand Name | CSQ |
| Model Number | 620 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 | Ceramic Miniature Deep Groove Balls Bearings | Model | 620 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 |
| Pacage | Plastik box+carton box | MOQ | 50 pieces |
| Brand Name | CSQ | Model Number | 620 series |
| Place of Origin | China | ||
| High Light | silicon nitride ceramic ball bearings ，624 ceramic bearing ，626 ceramic bearings | ||
ZrO2/Si3N4/SSiC Miniature Deep Groove Balls Bearings Of 620 Series
Material properties of ceramic material:
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.
| 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 620 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) |
| 624CE | 4 | 13 | 5 | 1145 | 488 | 40000 | 48000 |
| 625CE | 5 | 16 | 5 | 1522 | 675 | 36000 | 43000 |
| 626CE | 6 | 19 | 6 | 2056 | 896 | 32000 | 40000 |
| 627CE | 7 | 22 | 7 | 2893 | 1379 | 30000 | 36000 |
| 628CE | 8 | 24 | 8 | 2930 | 1423 | 28000 | 34000 |
| 629CE | 9 | 26 | 8 | 4026 | 1983 | 28000 | 34000 |
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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