Hot Selling China Bearings Manufacturers Drawn Cup Needle Roller Bearings HK0908 Size 9*13*8mm
- Category: Needle Bearings >>>
- Supplier: Shanghai Xiayu Bearing Co. Ltd.
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Product Overview
Description
Product Description
Needle Roller Bearings are bearings for rotary motion that use needle-shaped thin rollers as rolling elements. Compared to ball bearings, they have low sectional height and large load capacity. As a machine part, they help save space by making the whole machine compact. 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 | Needle Roller Bearings |
Size | HK0908 |
Construction | Single Row |
Seal Type | Open |
Inner Dia | 9mm |
Outter Dia | 13mm |
Thickness | 8mm |
Dynamic Load | 3550 N |
Static Load | 3750 N |
Max Speed(RMP) | 24300 |
ABEC Rating | ABEC 1 3 5 7 9 available |
Temperature Range | -20 to 110 °C |
Weight | 3.0g |
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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Packing & Delivery
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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