Polymer-tech SolutionTM
Language
The Material Data Sheet

Material Properties Standard Unit EPB7
Density ISO1183 g/cm3 1.25
color

Cream
Max. moisture absorption at +23℃ /RH50%
ASTMD570 % 1.3
MAX. water absorption

% 6.5
Dynamic friction /steel(dry)


0.09-0.20
MAX.PV(dry)
N/mm2×m/s 0.5
Flexural modulus
ISO178 MPa 3500
Flexural strength at  +23℃ ISO178 MPa 120
Compressive strength

MPa 60
MAX.static pressure of the surface,+20
MPa 60
Shore hardness
ISO868 D 77
Continuous work temperature

-40/+100
Short-time work temperature

-40/+180
Thermal conductivity
ASTME1461 W/m*k 0.2
Linear coef. of thermal expansion at +23℃ ASTMD696 K-1×10-5 9
Flammability UL94
HB
Volume resistivity IEC60093 Ωcm 1×1012
Surface resistivity IEC60093 Ω 1×1012


Standard bearings
  • EPB7 Plastic Plain Bearings,Metric size
  • Product code:
  • Inner diameter d1[mm]:
  • Outer diameter d2[mm]:
  • Height L[mm]:
  • Flanges outer diameter d3[mm]:
  • Flanges thickness t[mm]:
  • d1-Min.tolerance[mm]:
  • d1-Max.tolerance[mm]:
  • d2-Min.tolerance[mm]:
  • d2-Max.tolerance[mm]:
  • L-Min.tolerance[mm]:
  • L-Max.tolerance[mm]:
  • Shaft-Min.tolerance[mm]:
  • Shaft-Max.tolerance[mm]:
  • Housing-Min.tolerance[mm]:
  • Housing-Max.tolerance[mm]:

PV Value of Bearings

The max PV value of the CSB-EPB7 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 EPB7-1).

The Relation of Load, Speed and Temperature

CSB-EPB7 allows the Max static load of 65Mpa, The max compressive deformation rate under the max load is listed in Graph EPB7-2, The actual load capacity of bearing is slightly less than 65Mpa, 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 EPB7-3 for such variation.

The Friction Factor,Wearing and shaft material

Friction Factor
CSB-EPB7 Bearing Friction factor is not so sensitive to the operation speed (see Graph EPB7-4). The friction factor is considerably decreased along with the loading increasing and it will be turned to be stable when the loading reaches 20Mpa. Graph EPB7-5 shows the friction factor of the bearing is also not sensitive to the shaft roughness but we still recommend that the roughness of the shaft should be neither too smooth nor too rough. It is recommended to keep the roughness of the shaft to be within the range of Ra0.3 to Ra0.6.

CSB-EPB7
Dry
Grease
Oil
Water
Friction coef. μ
0.09~0.20
0.09
0.04
0.04


Wearing and shaft material

Graph EPB7-7 shows that the CSB-EPB7 material is not sensitive with different materials under the rotating operation. It is suitable for hard shaft and high speed steel shaft as well as hard chrome steel shaft. Graph EPB7-8 shows that the hard chrome steel shaft is most suitable for using CSB-EPB7 bearing because the wearing speed is not sensitive when the loading is increased. From the Graph EPB7-8, it shows that CSB-EP7 features different performance.

Chemical Resistance

CSB-EPB7 is good at chemical resistance against weak acidic medium and various kinds of lubricants.

Water Absorbability

The water absorb rate of CSB-EPB7 is 1.3% under the atmospheric pressure while it is 6.5% when the material is immerged into water. The application environment has to be considered because of its water absorb properties.

UV Resistance

The color of CSB-EPB7 could be dimmed when it is exposed into the UV ray. The material performance stays stable.

Bearing Installation

CSB-EPB7 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

International Market Manager
Jones
Tel.:+86-573-84186170
Fax.:+86-573-84183450
E-mail:Sales01@csb-ep.com
American Market
Cathy
Tel.:+86-573-84184307
Fax.:+86-573-84183450
E-mail:Sales04@csb-ep.com
Argentina Market
Alex
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales05@csb-ep.com
Australia Market
Cao.Cong
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales02@csb-ep.com
Austria Market
Connie
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales03@csb-ep.com
Belgium Market
Connie
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales03@csb-ep.com
Brazil Market
Alex
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales05@csb-ep.com
Canada Market
Cathy
Tel.:+86-573-84184307
Fax.:+86-573-84183450
E-mail:Sales04@csb-ep.com
China Market
Zhenfei.Yu
Tel.:+86-573-84186133
Fax.:+86-573-84185517
E-mail:Sales@csb-ep.com
China-Taiwan Market
Cao.Cong
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales02@csb-ep.com
China-Hong kong Market
Cao.Cong
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales02@csb-ep.com
Denmar Market
Nathan
Tel.:+86-573-84184307
Fax.:+86-573-84183450
E-mail:Sales06@csb-ep.com
Egypt Market
Alex
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales05@csb-ep.com
English Market
Cathy
Tel.:+86-573-84184307
Fax.:+86-573-84183450
E-mail:Sales04@csb-ep.com
Finland Market
Nathan
Tel.:+86-573-84184307
Fax.:+86-573-84183450
E-mail:Sales06@csb-ep.com
France Market
Connie
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales03@csb-ep.com
German Market
Connie
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales03@csb-ep.com
Greece Market
Alex
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales05@csb-ep.com
Holland Market
Connie
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales03@csb-ep.com
Hungary Market
Alex
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales05@csb-ep.com
India Market
Cao.Cong
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales02@csb-ep.com
Indonesia Market
Cao.Cong
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales02@csb-ep.com
Ireland Market
Nathan
Tel.:+86-573-84184307
Fax.:+86-573-84183450
E-mail:Sales06@csb-ep.com
Italy Market
Nathan
Tel.:+86-573-84184307
Fax.:+86-573-84183450
E-mail:Sales06@csb-ep.com
Japan Market
Cao.Cong
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales02@csb-ep.com
Korea Market
Cao.Cong
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales02@csb-ep.com
Malaysia Market
Cao.Cong
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales02@csb-ep.com
Mexico Market
Alex
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales05@csb-ep.com
Philippines Market
Cao.Cong
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales02@csb-ep.com
Poland Market
Alex
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales05@csb-ep.com
Portugal Market
Alex
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales05@csb-ep.com
Romania Market
Alex
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales05@csb-ep.com
Russia Market
Cao.Cong
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales02@csb-ep.com
Singapore Market
Cao.Cong
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales02@csb-ep.com
South Africa Market
Cathy
Tel.:+86-573-84184307
Fax.:+86-573-84183450
E-mail:Sales04@csb-ep.com
Spain Market
Cathy
Tel.:+86-573-84184307
Fax.:+86-573-84183450
E-mail:Sales04@csb-ep.com
Sweden Market
Nathan
Tel.:+86-573-84184307
Fax.:+86-573-84183450
E-mail:Sales06@csb-ep.com
Switzerland Market
Nathan
Tel.:+86-573-84184307
Fax.:+86-573-84183450
E-mail:Sales06@csb-ep.com
Thailand Market
Cao.Cong
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales02@csb-ep.com
Turkey Market
Cao.Cong
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales02@csb-ep.com
UAE Market
Cao.Cong
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales02@csb-ep.com
Vietnam Market
Cao.Cong
Tel.:+86-573-84185528
Fax.:+86-573-84183450
E-mail:Sales02@csb-ep.com
Quickly contact us:
Bearing Design System

“CSB”, “CSB-EPB”, “CSB-LIN”, “CSB-FWB”, “CSB-LMS”, “CSB-BAL”, “CSB-RPM”, “CSB-PEC”, “CSB-PCC”,“CSB-PCB”, “CSB-PYB”, “CSB-PEW”,“CSB-FLB”,“CSB-PPR”,“CSB-CPB”,“CSB-SRB” , “CSB-SFP”and “CSB-PRB” are legally protected trademarks in China and in case also in foreign countries.