Beijing Zhongxing Shiqiang CERAMIC BEARING Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | Negotiable |
| Delivery Time | Negotiable |
| Packaging Details | Foam+cartom box |
| Name | 61900 Series Extra Thin Type Ceramic Balls Bearings |
| Race and ball material | Si3N4(Silicon nitride)/SSiC (Silicon carbide)/ZrO2 (Zirconium oxide) |
| Cage material | Full ball/Peek//PFA/Nylon |
| Model | 61900 series 61900 series (6900 series) |
| Precision | P6/ABEC3 to P4/ABEC7 |
| MOQ | 50 pieces |
| Brand Name | CSQ |
| Model Number | 61900 series (6900 series) |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | Negotiable |
| Delivery Time | Negotiable | Packaging Details | Foam+cartom box |
| Name | 61900 Series Extra Thin Type Ceramic Balls Bearings | Race and ball material | Si3N4(Silicon nitride)/SSiC (Silicon carbide)/ZrO2 (Zirconium oxide) |
| Cage material | Full ball/Peek//PFA/Nylon | Model | 61900 series 61900 series (6900 series) |
| Precision | P6/ABEC3 to P4/ABEC7 | MOQ | 50 pieces |
| Brand Name | CSQ | Model Number | 61900 series (6900 series) |
| Place of Origin | China | ||
| High Light | 61900 ball bearing ，61902 ceramic bearing ，61916 ball bearing | ||
61900 Series Extra Thin Type Ceramic Balls Bearings In Material Of Si3N4/SSiC/ZrO2
Why choose us:
At present, our company mainly produces high-performance ceramic material products in materials of Si3N4, SSiC, ZrO2, Al2O3 and etc. The main business products cover various ceramic rolling bearings and ceramic balls,
Material properties of ceramic materials:
All the data of ceramic material properties are based on our owm 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 | 1000 | 1000 | 380 |
Reference data of 6900 Series Extra Thin Type Ceramic Bearings:
| Bearings model | Form size d (mm) | Form size D (mm) | Form size B (mm) | Load | Load Cor (N) | Max.Speed Grease (rpm) | Max. Speed Oil (rpm) |
| 61900CE | 10 | 22 | 6 | 1868 | 1130 | 33000 | 41800 |
| 61901CE | 12 | 24 | 6 | 2025 | 1320 | 30000 | 39600 |
| 61902CE | 15 | 28 | 7 | 3225 | 2250 | 26000 | 34100 |
| 61903CE | 17 | 30 | 7 | 3450 | 2550 | 24000 | 31900 |
| 61904CE | 20 | 37 | 9 | 4763 | 3700 | 19000 | 25300 |
| 61905CE | 25 | 42 | 9 | 5250 | 4500 | 16000 | 22000 |
| 61906CE | 30 | 47 | 9 | 5438 | 5000 | 14000 | 18700 |
| 61907CE | 35 | 55 | 10 | 7800 | 7150 | 12000 | 16500 |
| 61908CE | 40 | 62 | 12 | 10275 | 9950 | 11000 | 14300 |
| 61909CE | 45 | 68 | 12 | 10575 | 10900 | 10000 | 13200 |
| 61910CE | 50 | 72 | 12 | 10875 | 11700 | 9500 | 12100 |
| 61911CE | 55 | 80 | 13 | 12000 | 13200 | 8200 | 10560 |
| 61912CE | 60 | 85 | 13 | 11400 | 13500 | 7600 | 9900 |
| 61913CE | 65 | 90 | 13 | 13050 | 16000 | 7100 | 9350 |
| 61914CE | 70 | 100 | 16 | 17775 | 21100 | 6500 | 8470 |
| 61915CE | 75 | 105 | 16 | 15600 | 19700 | 6200 | 7920 |
| 61916CE | 80 | 110 | 16 | 20700 | 25300 | 5700 | 7370 |
| 61917CE | 85 | 120 | 18 | 24000 | 29600 | 5400 | 6930 |
| 61918CE | 90 | 125 | 18 | 24750 | 31500 | 5100 | 6600 |
| 61919CE | 95 | 130 | 18 | 25125 | 33500 | 4800 | 6270 |
| 61920CE | 100 | 140 | 20 | 31875 | 36500 | 4500 | 5830 |
| 61921CE | 105 | 145 | 20 | 31875 | 42000 | 4300 | 5830 |
| 61922CE | 110 | 150 | 20 | 28500 | 38500 | 4300 | 5500 |
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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