Fast Delivery High Precision Inch Size Miniature Deep Groove Ball Bearings R166 ZZ 2RS
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- Supplier: Shanghai Xiayu Bearing Co. Ltd.
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Product Overview
Description
Product Description
Full ceramic ball bearings constructed entirely of ceramic material. Inner/outer races and balls are made of either Silicon Nitride (Si3N4), Zirconium Oxide (ZrO2) or Silicon carbide (SiC). They are available as full complement (no cage) or with a cage made from PEEK or PTFE. Full ceramic bearings are for medium load and medium speed applications. It is not possible to achieve the inner and outer ring roundness that is found with precision steel bearings so full ceramic bearings have lower speed ratings.
Top Quality Material---
Made of high quality chrome steel material, long service life, higher precision, small friction coefficient and low noise;
Made of high quality chrome steel material, long service life, higher precision, small friction coefficient and low noise;
Fine Workmanship---
The edge is smooth, the workmanship is fine, the limit speed is high, it is not easy to get hot, and the load resistance is high. It is suitable for high-demand occasions;
The edge is smooth, the workmanship is fine, the limit speed is high, it is not easy to get hot, and the load resistance is high. It is suitable for high-demand occasions;
Quality Assurance--
The overall quality of the product is higher and the quality is excellent, avoiding the trouble of repeated disassembly and maintenance of the bearing, and the comprehensive cost is higher;
The overall quality of the product is higher and the quality is excellent, avoiding the trouble of repeated disassembly and maintenance of the bearing, and the comprehensive cost is higher;
Wide Range of Applications---
They play an important role in a wide range of products such as automobiles, motorcycles, printing machines, industrial robots and construction machinery.
Size Information
Product Name | Deep Groove Ball Bearings |
Size | Sealed |
Construction | Single Row |
Bearing Type | Ball |
Inner Dia | 0.1875'' |
Outter Dia | 0.375'' |
Thickness | 0.125'' |
Dynamic Load | 136lbf |
Static Load | 49lbf |
Max Speed(x1000rmp) | 50 |
ABEC Rating | ABEC 1 3 5 7 9 available |
Temperature Range | -86 to 230 °F |
Weight | 0.85g |
Si3N4,ZrO2,Al2O3 and Steel's basical performance date comparision:
Items | Steel | Si3N4 | ZrO2 | Al2O3 |
Density(g/cm³） | 7.85g/cm³ | 3.23g/cm³ | 6.05g/cm³ | 3.95g/cm³ |
Coefficient of Thermal Expansion（10-6/K） | 10 | 3.2 | 10.5 | 9.1 |
Hardness | 700HV/62HRC | 1500-1800HV/75-80HRC | 1200HV/70HRC | 1800HV/80HRC |
Bending Strenth(Mpa) | 2400Mpa | 200Mpa | 300Mpa | 220Mpa |
Compressive | ----------- | 1400Mpa | 2100Mpa | 1500Mpa |
Highest Temp. | 300℃ | 800℃ | 550℃ | 1850℃ |
Acid and Alkali Corrossion Resistance Performance | Weak | Strong | Strong | Strong |
Dimensions Stability | With the Temp. change is big | With the Temp. change is smaller | ------------------ | ---------------------- |
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Our Company
XIAYU Bearing Industrial Inc. is one of the Custom Bearing Manufacturer and world wide Distributors of all types of Bearings,we work directly with our OEMs and Bearing Distributors. Our engineers can help you with bearing, shaft and housing tolerances as well as semiconductor applications, cryogenic applications, extreme hostile environments, and extreme temperatures environments.
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To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
1.Single Box 2. Plastic Tube 3. Carton 4. Wooden 5. Pallet
We can also offer the customized packing service.
We can also offer the customized packing service.
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