EPB2 Plastic Plain Bearings42

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1. Product Name:EPB2 Plastic Plain Bearings
2. Product Description:
CSB Plastic is one of the leading China epb2 plastic plain bearings manufacturers and suppliers, and also a professional plastic compound bushings factory and company, we are always at your services.


EPB2 Plastic Plain Bearings


● The solution of middle to low load application and economic effective requirement. It is also one of the low water absorbing materials.


● Continuous working temperature: -50℃~100℃;


● Suitable for medium load operation;


● Maintenance-free dry operation;


● For wet conditions;


● Low cost material for high quantities;


The Material Data Sheet









Typical Item




Standard




Unit




CSB-EPB2






? ?Density




ISO1183




g/cm3




1.29






? ?Color






Olive






? ?Dynamic friction /steel(dry)






0.07-.020






? ?Max. PV (dry)





N/mm2×m/s




0.5






? ?Max. roatating velocity





m/s




1.0






? ?Max. oscillating velocity





m/s




0.7






? ?Max. linear velocity





m/s




3.0






? ?Tensile strength




ISO527




MPa




80






? ?Compressive strength (Axial)





MPa




70






? ?E-module




ISO527




MPa




2400






? ?Max. static pressure of the surface, 20℃





MPa




60






? ?Shore hardness




ISO868




D




75






? ?Continuous work temperature










-50/110






? ?Short-time work temperature










-50/150






? ?Thermal conductivity




ASTME1461




W/m×k




0.25






? ?Linear coef. of thermal expansion




ASTMD696




K-1×10-5




10






? ?Moisture absorption RH50/23℃




ASTMD570




%




0.2






? ?Max. water absorption, 23℃





%



0.4





? ?Flammability




UL94





HB






? ?Volume resistivity




IEC60093




Ωcm




>1014






? ?Surface resistivity




IEC60093




Ω




>1015









PV Value of Bearings


The max PV value of the CSB-EPB2 series bearing is 0.5N/mm2*m/s which determines the load capacity of bearing is inversely proportional to the speed. Please refer to the chart for more detailed information (Graph EPB2-1).





The Relation of Load, Speed and Temperature


CSB-EPB2 allows the Max static load of 60Mpa, The max compressive deformation rate under the max load is listed in Graph EPB2-2, The actual load capacity of bearing is slightly less than 60Mpa, The bearing load is variable against the speed and temperature, Fast speed (Vmax:1.0m/s) results into higher temperature (Tmax: 100℃)which decreases the load capacity of the bearing. Please refer to the Graph EPB2-3 for such variation.








The Friction Factor,Wearing and shaft material


Friction Factor


Similar with most of the plastic bearings, the friction factor of CSB-EPB2 is increased along with the operation speed when the loading is stable (see Graph EPB2-4) and is decreased along with the loading increasing when the operation speed is stable (see Graph EPB2-5). From Graph EPB2-6, it shows the friction factor of CSB-EPB2 is variable against different shaft surface roughness. The recommended shaft surface roughness is Ra0.3~0.6.








CSB-EPB2


Dry


Grease


Oil


Water




Friction coef.μ


0.07~0.20


0.09


0.04


0.04

















Wearing and shaft material


Graph EPB2-7 shows that CSB-EPB2 is rather suitable for hardened steel shaft and hardened chrome steel shaft under lower loading andGraph EPB2-7 shows that CSBEPB2 wearing feature is better for oscillation operation than of rotation operation.








Chemical Resistance


CSB-EPB2 is good at chemical resistance against weak acidic medium and various kinds of lubricants.


Water Absorbability


The water absorb rate of CSB-EPB2 is 0.2% under the atmospheric pressure while it is 0.4% when the material is immerged into water. With its low water absorbability, the material is suitable for humid environment applications.





UV Resistance


Disintegration could be possible for the material CSBEPB2 after long period of exposing under the UV ray and therefore the performance of the material will be reduced.


Bearing Installation


CSB-EPB2 The Interfit Tolerance






Diameter mm




Tolerance after fit E10




Fit Housing H7




Fit Shaft h9






>0~3




+0.014~+0.054




0~+0.010




0~-0.025






>3~6




+0.020~+0.068




0~+0.012




0~-0.030






>6~10




+0.025~+0.083




0~+0.015




0~-0.036






>10~18




+0.032~+0.102




0~+0.018




0~-0.043






>18~30




+0.040~+0.124




0~+0.021




0~-0.052






>30~50




+0.050~+0.150




0~+0.025




0~-0.062






>50~80




+0.060~+0.180




0~+0.030




0~-0.074






>80~120




+0.072~+0.212




0~+0.035




0~-0.087






>120~180




+0.085~+0.245




0~+0.040




0~-0.100





3. Price:10.00
4. Product Website: http://www.csbbearings.com/plastic-beari ngs/epb2-plastic-plain-bearings.html
5. Company Description: Zhejiang CSB Plastic Bearing Technology Co.,Ltd.
6. Address: ZheJiangZheJiangJiaXingJiashanNo.138, Changsheng Road, Weitang Industrial Zone, Jiashan, Zhejiang,China
7. Descption: As a leading manufacturer of Self-lubricating bearings, we are devoted to researching and producing new Self-lubricating bearing materials,plastic bearings,plastic linear bearings,plastic bushings. We have successfully developed various bearing materials with many different standard bearing sizes, including Metal-polymer Composite materials, Metallic Based Self-lubricating materials, Plastic compound materials and Filament wound composite materials. This website mainly introduces the technical characteristics and the applications of Plastic plain bearings, Plastic Linear bearings, Plastic Spherical Bearings,Filament wound bearings that are produced by CSB subsidiary company Jiashan Changsheng Engineering Plastic Bearing Co., Ltd. The issued standard series of materials and the products are suitable for most applications. We concentrate on the special material developing and new application promotion of the bearings. The self-lubricating modification technology research of high polymers makes CSB the market leader in Non-metal sliding bearing field.
8. Registered Capital: 50000000
9. EmployeeNum: 700
Zhejiang CSB Plastic Bearing Technology Co.,Ltd.
10. Contact: CaoCong
11. Telphone: 86-0573-84185528
12. Fax: 86-0573-84183450
13. Email: oversea@csb-ep.com
14. Company Website: http://www.csbbearings.com
Price: $ 10.00
Contact:
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EPB2 Plastic Plain Bearings42

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