EPB4 Plastic Plain Bearings18

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1. Product Name:EPB4 Plastic Plain Bearings
2. Product Description:
CSB Plastic is one of the leading China epb4 plastic plain bearings manufacturers and suppliers, and also a professional plastic self lubricanted bearings factory and company, we are always at your services.


EPB4 Plastic Plain Bearings


High temperature material with good chemical resistance feature. It could be continously used under the temperature of 200 ℃, it is also suitable to be used in the humidenvironment and even inside the chemical liquids. It is best to be used against hard materials.


Continuous working temperature: -40℃~200℃;


Suitable for medium and high load operation;


Maintenance-free dry operation;


Good chemical resistance;


Suitable for humid environment.


The Material Data Sheet






Typical Item




Standard




Unit




CSB-EPB4






? ?Density




ISO1183




g/cm3




1.65






? ?Color






Black






? ?Dynamic friction /steel(dry)






0.07-0.20






? ?Max. PV (dry)





N/mm2×m/s




1.4






? ?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




180






? ?Compressive strength (Axial)





MPa




80






? ?E-module




ISO527




MPa




12000






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





MPa




90






??Shore hardness




ISO868




D




87






? ?Continuous work temperature










-40/200






? ?Short-time work temperature










-40/260






? ?Thermal conductivity




ASTME1461




W/m×k




0.6






? ?Linear coef. of thermal expansion




ASTMD696




K-1×10-5




4






? ?Moisture absorption RH50/23℃




ASTMD570




%




0.04





? ?Max. water absorption, 23℃



%


104






? ?Surface resistivity




IEC60093




Ω




>105






PV Value of BearingsThe max PV value of the CSB-EPB4 series bearing is 1.4N/ 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 EPB4-1).





The Relation of Load, Speed and Temperature


CSB-EPB4 allows the Max static load of 90Mpa, The max compressive deformation rate under the max load is listed in Graph EPB4-2, The actual load capacity of bearing is slightly less than 90Mpa, The bearing load is variable against the speed and temperature, Fast speed (Vmax: 1.0m/s) results into higher temperature (Tmax: 200℃) which decreases the load capacity of the bearing. Please refer to the Graph EPB4-3 for such variation.





The Friction Factor,Wearing and shaft material


Friction Factor
?Friction factor will be slightly decreased along with the speed increasing under certain loading of the rotation operation (see Graph EPB4-4) and it will be slightly decreased along with the loading increasing under certain speed of the rotation operation especially when the loading is less than 30Mpa. Graph EPB4-5 tells that the friction of the CSB-EPB4 is not changed at all when the shaft roughness is between Ra0.1 to Ra0.4 and will be considerably increased when the shaft roughness is over Ra0.4. So the recommended shaft roughness is Ra0.1- Ra0.4.





CSB-EPB4


Dry


Grease


Oil


Water




Friction coef.?μ


0.07~0.20


0.09


0.04


0.04








Wearing and shaft material


Graph EPB4-7 shows that CSB-EPB4 is suitable for most of the shaft materials under low loading rotation operation and it is good for hardened carbon steel shaft under high loading rotation operation (see Graph EPB4-7). From Graph EPB4-8, we can also read that CSB-EPB4 is suitable for stainless steel shaft under oscillation operation and good for hot rolled carbon steel and hardened carbon steel shaft under rotation operation.





Chemical Resistance


The Chemical Resistance of CSB-EPB4 is fairly good against most of Acid and Alkalis.


Water Absorbability


The water absorb rate of CSB-EPB4 is 0.1% under the atmospheric pressure while it is 0.3% when the material is immerged into water. The material performance and dimensions of the material is stabilized for the applications under humid environment.





UV Resistance


Disintegration could be possible for the material CSBEPB4 after long period of exposing under the UV ray and therefore the compressive strength will be reduced.


Bearing Installation


CSB-EPB4?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/epb4-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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EPB4 Plastic Plain Bearings18

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