Beijing Zhongxing Shiqiang CERAMIC BEARING Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 50 pcs in 30-40 work days |
| Delivery Time | 30-40 work days |
| Packaging Details | Plastik bag+foam+carton box |
| Name | Extra Thin Type Si3N4 Deep Groove Balls Bearing |
| Material | SSiC ( Pressureless sintered silicon carbide ) |
| Model | 61800/61900 series |
| Precision | P6/ABEC3 to P4/ABEC7 |
| Pacage | Plastik bag+foam+carton box |
| MOQ | 50 pieces/one model |
| Brand Name | CSQ |
| Model Number | 61800/61900 series |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 50 pcs in 30-40 work days |
| Delivery Time | 30-40 work days | Packaging Details | Plastik bag+foam+carton box |
| Name | Extra Thin Type Si3N4 Deep Groove Balls Bearing | Material | SSiC ( Pressureless sintered silicon carbide ) |
| Model | 61800/61900 series | Precision | P6/ABEC3 to P4/ABEC7 |
| Pacage | Plastik bag+foam+carton box | MOQ | 50 pieces/one model |
| Brand Name | CSQ | Model Number | 61800/61900 series |
| Place of Origin | China | ||
| High Light | 61804 ceramic bearing ，61903 ceramic bearings ，61803 ceramic bearings | ||
Extra Thin Type Ceramic Deep Groove Balls Bearing In Material Of Silicon Carbide
Description of Silicon carbide ball bearing:
SSiC races and balls: Are made of highly purified, sub-micron silicon carbide material. The atmospheric pressure solid phase sintering method at a high temperature of 2250°C are used to produce SSiC (Sintering SiC), so the free silicon and free carbon in the products are close to the theoretical values and can resist corrosion by hydrofluoric acid, which is the most excellent ceramic material with the best corrosion resistance among the known materials.
Key properties of SSiC (Pressureless sintered silicon caride)
| ♦ 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) |
Refence data of extra thin type Si3N4 deep groove balls bearing:
| 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) |
| 61800CE | 10 | 19 | 5 | 1590 | 985 | 37000 | 48400 |
| 61900CE | 10 | 22 | 6 | 1868 | 1130 | 33000 | 41800 |
| 61801CE | 12 | 21 | 5 | 1440 | 1040 | 32000 | 42900 |
| 61901CE | 12 | 24 | 6 | 2025 | 1320 | 30000 | 39600 |
| 61802CE | 15 | 24 | 5 | 1560 | 1260 | 28000 | 37400 |
| 61902CE | 15 | 28 | 7 | 3225 | 2250 | 26000 | 34100 |
| 61803CE | 17 | 26 | 5 | 1973 | 1570 | 26000 | 33000 |
| 61903CE | 17 | 30 | 7 | 3450 | 2550 | 24000 | 31900 |
| 61804CE | 20 | 32 | 7 | 3000 | 2640 | 22000 | 28600 |
| 61904CE | 20 | 37 | 9 | 4763 | 3700 | 19000 | 25300 |
| 61805CE | 25 | 37 | 7 | 3225 | 2940 | 18000 | 24200 |
| 61905CE | 25 | 42 | 9 | 5250 | 4500 | 16000 | 22000 |
| 61806CE | 30 | 42 | 7 | 4013 | 3800 | 15000 | 19800 |
| 61906CE | 30 | 47 | 9 | 5438 | 5000 | 14000 | 18700 |
| 61807CE | 35 | 47 | 7 | 3563 | 3800 | 14000 | 17600 |
| 61907CE | 35 | 55 | 10 | 7800 | 7150 | 12000 | 16500 |
| 61808CE | 40 | 52 | 7 | 4463 | 4900 | 12000 | 15400 |
| 61908CE | 40 | 62 | 12 | 10275 | 9950 | 11000 | 14300 |
| 61809CE | 45 | 58 | 7 | 4013 | 4900 | 11000 | 14300 |
| 61909CE | 45 | 68 | 12 | 10575 | 10900 | 10000 | 13200 |
| 61810CE | 50 | 65 | 7 | 4800 | 5800 | 10000 | 13200 |
| 61910CE | 50 | 72 | 12 | 10875 | 11700 | 9500 | 12100 |
| 61811CE | 55 | 72 | 9 | 6600 | 8100 | 8700 | 11000 |
| 61911CE | 55 | 80 | 13 | 12000 | 13200 | 8200 | 10560 |
| 61812CE | 60 | 78 | 10 | 8625 | 10600 | 8000 | 10450 |
| 61912CE | 60 | 85 | 13 | 11400 | 13500 | 7600 | 9900 |
| 61813CE | 65 | 85 | 10 | 8925 | 11500 | 7500 | 9570 |
| 61913CE | 65 | 90 | 13 | 13050 | 16000 | 7100 | 9350 |
| 61814CE | 70 | 90 | 10 | 9075 | 11900 | 7000 | 8910 |
| 61914CE | 70 | 100 | 16 | 17775 | 21100 | 6500 | 8470 |
| 61815CE | 75 | 95 | 10 | 9375 | 12800 | 6500 | 8360 |
| 61915CE | 75 | 105 | 16 | 15600 | 19700 | 6200 | 7920 |
| 61816CE | 80 | 100 | 10 | 9525 | 13300 | 6000 | 7810 |
| 61916CE | 80 | 110 | 16 | 20700 | 25300 | 5700 | 7370 |
| 61817CE | 85 | 110 | 13 | 14025 | 19000 | 5700 | 7370 |
| 61917CE | 85 | 120 | 18 | 24000 | 29600 | 5400 | 6930 |
| 61818CE | 90 | 115 | 13 | 14250 | 19700 | 5400 | 6930 |
| 61918CE | 90 | 125 | 18 | 24750 | 31500 | 5100 | 6600 |
| 61819CE | 95 | 120 | 13 | 14475 | 20500 | 5000 | 6600 |
| 61919CE | 95 | 130 | 18 | 25125 | 33500 | 4800 | 6270 |
| 61820CE | 100 | 125 | 13 | 14700 | 21200 | 4800 | 6160 |
| 61920CE | 100 | 140 | 20 | 31875 | 36500 | 4500 | 5830 |
| 61821CE | 105 | 130 | 13 | 14925 | 21900 | 4800 | 6160 |
| 61921CE | 105 | 145 | 20 | 31875 | 42000 | 4300 | 5830 |
| 61822CE | 110 | 140 | 16 | 20475 | 29400 | 4300 | 5830 |
| 61922CE | 110 | 150 | 20 | 28500 | 38500 | 4300 | 5500 |
| 61824CE | 120 | 150 | 16 | 21225 | 31500 | 4000 | 5280 |
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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