Beijing Zhongxing Shiqiang CERAMIC BEARING Co., Ltd.
Beijing Zhongxing Shiqiang Ceramic Bearing Co.,Ltd
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51200 Series All Ceramic Thrust Bearings In Material Of Si3N4/SSiC/ZrO2
Our company has our own material recipe advantage, mature design and research experiences and abundant production experiences of ceramic thrust bearings, our mainly products are in material of silicon nitride, silicon carbide and zirconium oxide these three ceramic materials, we can custom-make ceramic bearings from P6 (ABEC3) precision level to P4 (ABEC7) precision level according to your need. Welcome your inquiry.
Mateial properties data sheet of ceramic material:
| 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 51200 series Ceramic single direction thrust ball bearing:
| 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) |
| 51200CE | 10 | 26 | 11 | 10160 | 14535 | 5900 | 8800 |
| 51201CE | 12 | 28 | 11 | 10560 | 16150 | 5600 | 8500 |
| 51202CE | 15 | 32 | 12 | 13280 | 21080 | 5100 | 7600 |
| 51203CE | 17 | 35 | 12 | 13680 | 23205 | 4800 | 7300 |
| 51204CE | 20 | 40 | 14 | 17760 | 31875 | 4200 | 6300 |
| 51205CE | 25 | 47 | 15 | 22240 | 42925 | 3700 | 5600 |
| 51206CE | 30 | 52 | 16 | 23440 | 49300 | 3400 | 5200 |
| 51207CE | 35 | 62 | 18 | 31200 | 66300 | 2900 | 4400 |
| 51208CE | 40 | 68 | 19 | 37600 | 82725 | 2700 | 4100 |
| 51209CE | 45 | 73 | 20 | 38000 | 89250 | 2600 | 3900 |
| 51210CE | 50 | 78 | 22 | 38800 | 95200 | 2400 | 3600 |
| 51211CE | 55 | 90 | 25 | 55600 | 135150 | 2100 | 3100 |
| 51212CE | 60 | 95 | 26 | 58800 | 152150 | 2000 | 3000 |
| 51213CE | 65 | 100 | 27 | 60000 | 160650 | 1900 | 2800 |
| 51214CE | 70 | 105 | 27 | 60800 | 169150 | 1800 | 2800 |
| 51215CE | 75 | 110 | 27 | 62000 | 177650 | 1800 | 2700 |
| 51216CE | 80 | 115 | 28 | 62800 | 186150 | 1700 | 2600 |
| 51217CE | 85 | 125 | 31 | 76400 | 224400 | 1600 | 2400 |
| 51218CE | 90 | 135 | 35 | 92800 | 276250 | 1400 | 2100 |
