Product Features

● It is a material with good high temperature upto 250 ℃, high chemical resistance and high load application. It is suitable for the applications in water or most of chemical liquids.

● Continuous working temperature: -100℃/+250℃

● Good wear resistance with long service life

● Suitable for operation in dusty environment

● No special requirement on the surface roughness

● Low friction coefficient

Material properties	Standard	Unit	CSB-EPB10
General properties
Color	-	-	Black
Density	ISO1183	g/cm³	1.42
Max. moisture absorption, 50%RH	ISO62	%	0.1
Max. water absorption	ISO62	%	0.5
Coefficient of sliding friction(steel)	ITS025	µ	0.10-0.25
Max. PV value	ITS026	N/mm²×m/s	1.35
Mechanical properties
Flexural modulus	ISO178	MPa	10000
Flexural strength	ISO178	MPa	210
Max. static load	ITS027	MPa	125
Max. dynamic load	ITS028	MPa	80
Shore hardness	ISO868	D	86
Physical and thermal properties
Long-term application temperature	ITS029	℃	+250
Short-term application temperature	ITS029	℃	+315
Lowest application temperature	ITS029	℃	-100
Thermal conductivity	ISO22007	W/m/K	0.60
Coefficient of thermal expansion	ISO11359	K^-1×10^-5	5
Flammability	UL94	Class	V0
Electrical properties
Volume resistance	IEC60093	Ω·cm	>10⁵
Surface resistance	IEC60093	Ω	>10⁵

*ITS: CSB company's internal test standards. **Test temperatures are 23℃ unless otherwise stated.

Sleeve bearing

Flange bearing

Thrust washer

EPB10 Plastic plain bearings

Part no.:

d1 [mm]：

d2 [mm]：

L_h13 [mm]：

d3_d13 [mm]：

T [mm]：

d1-max. [mm]：

d1-min. [mm]：

d2-max. [mm]：

d2-min. [mm]：

T max. tolerance [mm]：

T min. tolerance [mm]：

Max. shaft [mm]：

Min. shaft [mm]：

Max. housing [mm]：

Min. housing [mm]：

*Lead time [wsk]：

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Dimensions

▊ PV value

The max PV value of the CSB-EPB10 plastic bearings is 1.35N/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 EPB10-1).

EPB10_01-Plastic plain bearings PV value.jpg

▊ Load, speed and temperature

CSB-EPB10 allows the Max static load of 125Mpa, The max compressive deformation rate under the max load is listed in Graph EPB10-2, The actual load capacity of bearing is slightly less than 125Mpa, The bearing load is variable against the speed and temperature, Fast speed (Vmax: 1.5m/s) results into higher temperature (Tmax: 250℃) which decreases the load capacity of the bearing. Please refer to the Graph EPB10-3 for such variation.

EPB10_02-Plastic plain bearings load.jpg EPB10_03-Plastic plain bearings load and tepmerature.jpg

▊ Friction factor, wear and shaft material

▊ Friction factor

Graph EPB10-4 shows that the friction factor of CSB-EPB10 is increasing along with the operation speed when the loading is stable within 30 Mpa. When the loading is higher than 30Mpa, the friction factor variation will not be detectable. Graph EPB10-6 describes that CSB-EPB10 is featured best within the shaft surface roughness of Ra0.6~0.8.

CSB-EPB10	Dry	Grease	Oil	Water
Friction coef. μ	0.10~0.25	0.09	0.04	0.04

EPB10_04-Plastic plain bearings friction and speed.jpg EPB10_05-Plastic plain bearings friction and load.jpg EPB10_06-Plastic plain bearings friction and surface roughness of shaft.jpg

▊ Wearing and shaft material

Graph EPB10-7 and Graph EPB10-8 is the comparing test for the CSB-EPB10 wearing against different shaft materials. Stainless steel and hot-rolled steel shaft is the best shaft material for CSB-EPB10 when the loading is lower than 2Mpa. Graph EPB10-7 shows that CSB-EPB10 is most suitable for rotation operation. Graph EPB10-9 shows a very special feature of CSB-EPB10 that the wearing Features of CSB-EPB10 is much better when the temperature is 150 ℃ than that of the temperature of 23℃.

EPB10_07-Plastic plain bearings wear and shaft materials.jpg EPB10_08-Plastic plain bearings wear and load.jpg EPB10_09-Plastic plain bearings wear and tepmerature.jpg

▊ Chemical Resistance

Chemical Resistance of CSB-EPB10 is very good. It can work well in the heavy acid of 65%.

▊ Water absorption

The moisture absorption of CSB-EPB10 plastic plain bearings is 0.1% in standard atmosphere. The max. water absorption is 0.5% in water . These values are very low, CSB-EPB10 plastic palin bearings is very well suited for used in wet applications.

EPB10_10-Plastic plain bearings moisture absorption.jpg

▊ UV resistance

CSB-EPB10 can maintain its performance to be stable even exposed in the UV ray for long period.

▊ Installation tolerances

CSB-EPB10 Tolerances after pressfit

Diameter [mm]	CSB-EPB10 F10 [mm]	Housing H7 [mm]	Shaft h9 [mm]
>0～3	+0.006～+0.046	0～+0.010	0～-0.025
>3～6	+0.010～+0.058	0～+0.012	0～-0.030
>6～10	+0.013～+0.071	0～+0.015	0～-0.036
>10～18	+0.016～+0.086	0～+0.018	0～-0.043
>18～30	+0.020～+0.104	0～+0.021	0～-0.052
>30～50	+0.025～+0.125	0～+0.025	0～-0.062
>50～80	+0.030～+0.150	0～+0.030	0～-0.074
>80～120	+0.036～+0.176	0～+0.035	0～-0.087
>120～180	+0.043～+0.203	0～+0.040	0～-0.100

Medium	EPB10 bearings resistance
Alcohol	Resistant
Hydrocarbons	Resistant
Greases. oils	Resistant
Fuels	Resistant
Diluted acids	Resistant
Strong acids	Conditionally resistant
Diluted alkalis	Resistant
Strong alkalis	Resistant

CSB® Bearing Material Chemical Resistance

Please select bearing material and medium...

CSB® bearing material chemical resistance data is a comparison test result of the CSB chemistry laboratory using laboratory specimens or similar chemicals at room temperature 23 ℃, without considering the impact of other temperatures and chemical medium mixtures on the chemical resistance of CSB® bearing materials ; Therefore, this data can only act as a reference. CSB® recommends that the chemical resistance of actual parts should be tested under application conditions and verify the suitability of the bearings.

CSB-EPB10 Plastic Plain Bearings 2125

Time 09-2021

Type PDF

No. CSB/CAT.062E

Size 592KB

2125

download

CSB-EPB®

Plain bearings finder v2.1

view tools

CSB-EPB® Plain bearings finder V2.1

▊CSB-EPB® Plastic Bearings Finder[V2.1] is based on the analysis and calculation of a large number of test data in CSB® laboratory. You can calculations material data by entering parameters such as bearing load, speed, and temperature, and finally output material adaptation data.
▊Because the system calculate and analyze based on lab data, it can't exactly meet the ractual use requirements absolutly. The system data verification has certain limitations; CSB® recommends that the bearing must be tested again to verify whether it meets the actual use requirements.
▊CSB-EPB® Plastic Bearings Finder output data information is only for design reference, and can not be used as the final standard for determining the bearing material conformity, If you have any questions, please contact CSB® sales engineers.

Use Tools

CSB-SFP®

Semi-finished Products Finder V2.0

view tools

DURAPLAS® Semi-finished Products Finder V2.0

▊DURAPLAS® Semi-finished Products Finder[V2.0] is based on the analysis and calculation of a large number of test data in CSB® laboratory. You can calculations material data by entering parameters such as bearing load, speed, and temperature, and finally output material adaptation data.
▊Because the system calculate and analyze based on lab data, it can't exactly meet the ractual use requirements absolutly. The system data verification has certain limitations; CSB® recommends that the products must be tested again to verify whether it meets the actual use requirements.
▊DURAPLAS® Semi-finished Products Finder output data information is only for design reference, and can not be used as the final standard for determining the bearing material conformity, If you have any questions, please contact CSB® sales engineers.

Use Tools

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Product Features

▊ PV value

▊ Load, speed and temperature

▊ Friction factor, wear and shaft material

▊ Friction factor

▊ Wearing and shaft material

▊ Chemical Resistance

▊ Water absorption

▊ UV resistance

▊ Installation tolerances

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CSB-EPB® Plain bearings finder V2.1

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DURAPLAS® Semi-finished Products Finder V2.0

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