Silicon Nitride Mini Small Ceramic Bearings Deep Groove 624 625 626 627 628 629
Price:
Negotiable
MOQ:
60 pcs
Delivery Time:
Negotiable
Brand:
CSQ
Product Description
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 |
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Company
Beijing Zhongxing Shiqiang CERAMIC BEARING Co., Ltd.
Location
No. A38#, Weishanzhuang Industry Zone, Daxing District ,Beijing, China
Contact Person
Cooper wang