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[China]
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Address: Room 101, Factory building No.14, No. 41 Guangyuan Road, Wuqing Development Zone, Wuqing District, Tianjin
Contact name:Cooper wang
Zhongxing Shiqiang Technology (Tianjin) Co., Ltd. |
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ZrO2/Si3N4/SSiC Double-Row Angular Contact Ball Bearings of 5200 series
Description of Ceramic Double-row Angular Contact Ball Bearings:
Because of the outstanding properties of ceramic materials, ceramic
bearings have many kinds of performance advantages, such like 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.
| 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 Ceramic Double-row Angular Contact Ball 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) |
| 5200CE | 10 | 30 | 14.3 | 5840 | 3400 | 18000 | 24000 |
| 5201CE | 12 | 32 | 15.9 | 8560 | 5057 | 16000 | 22000 |
| 5202CE | 15 | 35 | 15.9 | 9520 | 6120 | 14000 | 19000 |
| 5203CE | 17 | 40 | 17.5 | 12000 | 7862 | 12000 | 17000 |
| 5204CE | 20 | 47 | 20.6 | 16000 | 10795 | 10000 | 14000 |
| 5205CE | 25 | 52 | 20.6 | 17440 | 12835 | 9500 | 13000 |
| 5206CE | 30 | 62 | 23.8 | 24400 | 18445 | 8000 | 11000 |
| 5207CE | 35 | 72 | 27 | 32000 | 25075 | 7000 | 9500 |
| 5208CE | 40 | 80 | 30.2 | 36400 | 28900 | 6000 | 8000 |
| 5209CE | 45 | 85 | 30.2 | 40800 | 33150 | 5500 | 7500 |
| 5210CE | 50 | 90 | 30.2 | 43600 | 37825 | 5000 | 6700 |
| 5211CE | 55 | 100 | 33.3 | 54000 | 48025 | 4500 | 6300 |
| 5212CE | 60 | 110 | 36.5 | 60800 | 52700 | 4300 | 5600 |
| 5213CE | 65 | 120 | 38.1 | 71200 | 65450 | 3900 | 5300 |
| 5214CE | 70 | 125 | 39.7 | 77200 | 71825 | 3800 | 5000 |
| 5215CE | 75 | 130 | 41.3 | 76800 | 72675 | 3400 | 4700 |
| 5216CE | 80 | 140 | 44.4 | 83200 | 79900 | 3500 | 4600 |
