Product Name:EPB3G Plastic Plain Bearings
Product Description: CSB Plastic is one of the leading China epb3g plastic plain bearings manufacturers and suppliers, and also a professional plastic bushing bearings
factory and company, we are always at your services.
EPB3G Plastic Plain Bearings
● Optimized for middle load applications. It is suitable for low frequency motion and low cost requirement.
● Continuous working temperature: -40℃～110℃;
● High load capacity;
● Good economic ratio;
● Dry operation and maintenance free;
● Applicable for various shaft materials.
The Material Data Sheet
Typical Item
Standard
Unit
CSB-EPB3G
? ?Density
ISO1183
g/cm3
1.37
? ?Color
Black
? ?Dynamic friction /steel(dry)
0.05-0.15
? Max. PV (dry)
N/mm2×m/s
0.3
? ?Max. roatating velocity
m/s
0.8
? ?Max. oscillating velocity
m/s
0.6
? ?Max. linear velocity
m/s
3.5
? ?Tensile strength
ISO527
MPa
190
? ?Compressive strength (Axial)
MPa
75
? ?E-module
ISO527
MPa
7500
? ?Max. static pressure of the surface, 20℃
MPa
75
??Shore hardness
ISO868
D
78
? ?Continuous work temperature
℃
-40/110
? ?Short-time work temperature
℃
-40/200
? ?Thermal conductivity
ASTME1461
W/m×k
0.25
? ?Linear coef. of thermal expansion
ASTMD696
K-1×10-5
11
? ?Moisture absorption RH50/23℃
ASTMD570
%
1.3
? ?Max. water absorption, 23℃
%
5.5
? ?Flammability
UL94
HB
? ?Volume resistivity
IEC60093
Ωcm
>1013
? ?Surface resistivity
IEC60093
Ω
>1011
PV Value of Bearings
The max PV value of the CSB-EPB3G series bearing is 0.3N/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 EPB3G-1).
CSB-EPB3G allows the Max static load of 75Mpa, The max compressive deformation rate under the max load is listed in Graph EPB3G-2, The actual load capacity of bearing is slightly less than 75Mpa, The bearing load is variable against the speed and temperature, Fast speed (Vmax: 0.8m/s) results into higher temperature (Tmax: 110℃) which decreases the load capacity of the bearing. Please refer to the Graph EPB3G-3 for such variation.
The Friction Factor,Wearing and shaft material
Friction Factor
Graph EPB3G-4 and Graph EPB3G-5 show that the friction factor of CSB-EPB3G is variable along with the changing of the operation speed and bearing loading especially when the bearing loading is within 20Mpa. In the mean while the Graph EPB3G-6 shows that the friction factor of CSB-EPB3G is also affected by the shaft surface roughness. Too rough shaft surface or too fine shaft surface will increase the wearing and friction factor. The recommended shaft surface roughness is Ra0.1~0.3.
CSB-EPB3G
Dry
Grease
Oil
Water
Friction coef.?μ
0.05~0.15
0.09
0.04
0.04
Wearing and shaft material
Graph EPB3G-7 and Graph EPB3G-8 show that the wearing of CSB-EPB3G is similar either against the normal shaft or hardened shaft. The most suitable shaft materials for CSB-EPB3G are hardened steel and hardened chrome steel. Graph EPB3G-8 shows that the wearing feature is better in oscillation operation than in rotation operation.
Chemical Resistance
CSB-EPB3G is good at chemical resistance against weak acidic medium and various kinds of lubricants.
Water Absorbability
The water absorb rate of CSB-EPB3G is 1.3% under the atmospheric pressure while it is 5.5% when the material is immerged into water. The application environment has to be considered because of its water absorb properties
UV Resistance
CSB-EPB3G can maintain its color unchanged when it is exposed into the UV ray. The material performance stays stable.
Bearing Installation
CSB-EPB3G 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
Price:10.00
Product Website:http://www.csbbearings.com/plastic-bearings/epb3g-plastic-plain-bearings.html
Company Description
Zhejiang CSB Plastic Bearing Technology Co.,Ltd.
Address:ZheJiangZheJiangJiaXingJiashanNo.138, Changsheng Road, Weitang Industrial Zone, Jiashan, Zhejiang,China
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.
Registered Capital:50000000
EmployeeNum:700
Zhejiang CSB Plastic Bearing Technology Co.,Ltd.
Contact:CaoCong
Telphone:86-0573-84185528-0
Fax:86-0573-84183450-0
Email:oversea@csb-ep.com
Company Website:http://www.csbbearings.com
EPB3G Plastic Plain Bearings
Inviato il 23/02/2021 : 13:04:18
