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xiros® material - Material data

	Unit		Medium	Resistance
igumid G
Density	g/cm³	1,37	Alcohols	+ to 0
Colour		black	Hydrocarbons	+
Max. humidity absorption at 23°C/50% R. H.	% weight	1,4	Fats, oils, without additives	+
Max. water absorption	% weight	5,6	Fuels	+
Bending E-module	MPa	7800	Diluted acids	0 to –
Tensile strength at +20 °C	MPa	240	Strong acids	-
Shore D-hardness		79	Diluted bases	+
Specific forward resistance	Ωcm	> 10¹¹	Strong bases	0
Surface resistance	Ω	> 10¹¹
Max. long term application temperature	°C	+120
Max. short term application temperature	°C	+120
Low long-term application temperature (in combination with cage material)	°C	-40
xirodur® B180
Density	g/cm³	1,49	Alcohols	+
Colour		yellow	Hydrocarbons	+
Max. humidity absorption at 23°C/50% R. H.	% weight	0,3	Fats, oils, without additives	+
Max. water absorption	% weight	1,3	Fuels	+
Bending E-module	MPa	2400	Diluted acids	0 to –
Tensile strength at +20 °C	MPa	73	Strong acids	-
Shore D-hardness		74	Diluted bases	+
Specific forward resistance	Ωcm	> 10¹³	Strong bases	+ to 0
Surface resistance	Ω	> 10¹²
Max. long term application temperature	°C	+80
Max. short term application temperature	°C	+120
Low long-term application temperature (in combination with cage material)	°C	-40
xirodur® A500
Density	g/cm³	1,28	Alcohols	+
Colour		Brown	Hydrocarbons	+
Max. humidity absorption at 23°C/50% R. H.	% weight	0,3	Fats, oils, without additives	+
Max. water absorption	% weight	0,5	Fuels	+
Bending E-module	MPa	3600	Diluted acids	+
Tensile strength at +20 °C	MPa	140	Strong acids	+
Shore D-hardness		83	Diluted bases	+
Specific forward resistance	Ωcm	> 10¹⁴	Strong bases	+
Surface resistance	Ω	> 10¹³
Max. long term application temperature	°C	+150
Max. short term application temperature	°C	+300
Low long-term application temperature (in combination with cage material)	°C	–100 (PEEK) –40 (PA)
xirodur® C160
Density	g/cm³	1,11	Alcohols	+
Colour		opak	Hydrocarbons	+ to 0
Max. humidity absorption at 23°C/50% R. H.	% weight	0,1	Fats, oils, without additives	+
Max. water absorption	% weight	0,2	Fuels	+ to 0
Bending E-module	MPa	1900	Diluted acids	+
Tensile strength at +20 °C	MPa	35	Strong acids	+ to 0
Shore D-hardness		67	Diluted bases	+
Specific forward resistance	Ωcm	> 10¹⁴	Strong bases	+
Surface resistance	Ω	> 10¹⁴
Max. long term application temperature	°C	+80
Max. short term application temperature	°C	+110
Low long-term application temperature (in combination with cage material)	°C	0
xirodur® F180
Density	g/cm³	1,43	Alcohols	+
Colour		black	Hydrocarbons	+
Max. humidity absorption at 23°C/50% R. H.	% weight	0,2	Fats, oils, without additives	+
Max. water absorption	% weight	0,7	Fuels	+
Bending E-module	MPa	2500	Diluted acids	0 to -
Tensile strength at +20 °C	MPa	68	Strong acids	-
Shore D-hardness		77	Diluted bases	+
Specific forward resistance¹⁾	Ωcm	> 10⁷-10⁹²⁾	Strong bases	+ to 0
Surface resistance¹⁾	Ω	> 10⁷-10⁹²⁾
Max. long term application temperature	°C	+80
Max. short term application temperature	°C	+120
Low long-term application temperature (in combination with cage material)	°C	-40

¹⁾Applies only to xirodur® F180: The high conductivity of this plastic can, under certain circumstances, favor
²⁾ corrosion on the metallic contact body, depending on the shape of the component

Recommended hole and shaft tolerance for xiros® radial grooved ball bearings

As standard, we recommend an H7 tolerance for the housing bore of the xiros® radial grooved ball bearing and an H6 tolerance for the shaft. If you have any particular questions about the design of your hole and shaft, we'd be glad to hear from you.

xiros® plastic ball bearing

More information:

xiros® polymer ball bearing design, applications, development and testing

xiros® chemical resistance

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