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igus® Canada

180 Bass Pro Mills Drive

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Ontario L4K 0G9

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xiros® plastic ball bearings - material data table

  Unit     Medium Resistance
igumid G          
Density g/cm³ 1,37 Alcohols + to 0
Color black Hydrocarbons +
Max. humidity absorption at 73°F/50% R. H. % weight 1,4   Fats, oils, without additives +
Max. water absorption % weight 5,6 Fuels +
Bending E-module psi 1,131,000 Diluted acids 0 to –
Tensile strength at +68 °F psi 34,810 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 °F +248
Max. short term application temperature °F +248
Low long-term application temperature
(in combination with cage material)
°F -40

xiros® B180
Density g/cm³ 1,49 Alcohols +
Color yellow Hydrocarbons +
Max. humidity absorption at 73°F/50% R. H. % weight 0,3   Fats, oils, without additives +
Max. water absorption % weight 1,3 Fuels +
Bending E-module psi 348,100 Diluted acids 0 to –
Tensile strength at +68 °F psi 10,590 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 °F +176
Max. short term application temperature °F +248
Low long-term application temperature
(in combination with cage material)
°F -40

xiros® A500
Density g/cm³ 1,28 Alcohols +
Color Brown Hydrocarbons +
Max. humidity absorption at 73°F/50% R. H. % weight 0,3   Fats, oils, without additives +
Max. water absorption % weight 0,5 Fuels +
Bending E-module psi 522,100 Diluted acids +
Tensile strength at +68 °F psi 20,310 Strong acids +
Shore D-hardness   83 Diluted bases +
Specific forward resistance Ωcm > 1014 Strong bases +
Surface resistance Ω > 1013
Max. long term application temperature °F +302
Max. short term application temperature °F +572
Low long-term application temperature
(in combination with cage material)
°F –148 (PEEK)
–40 (PA)

xiros® C160
Density g/cm³ 1,11 Alcohols +
Color opak Hydrocarbons + to 0
Max. humidity absorption at 73°F/50% R. H. % weight 0,1   Fats, oils, without additives +
Max. water absorption % weight 0,2 Fuels + to 0
Bending E-module psi 275,600 Diluted acids +
Tensile strength at +68 °F psi 5,076 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 °F +176
Max. short term application temperature °F +230
Low long-term application temperature
(in combination with cage material)
°F 0

xiros® F180
Density g/cm³ 1,43 Alcohols +
Color black Hydrocarbons +
Max. humidity absorption at 73°F/50% R. H. % weight 0,2   Fats, oils, without additives +
Max. water absorption % weight 0,7 Fuels +
Bending E-module psi 362,600 Diluted acids 0 to -
Tensile strength at +68 °F psi 9,863 Strong acids -
Shore D-hardness   77 Diluted bases +
Specific forward resistance1) Ωcm > 107-109 2) Strong bases + to 0
Surface resistance1) Ω > 107-109 2)
Max. long term application temperature °F +176
Max. short term application temperature °F +248
Low long-term application temperature
(in combination with cage material)
°F -40

1)Applies only to xiros® 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.

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igus® GmbH points out that it does not sell any products of the companies Allen Bradley, B&R, Baumüller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsibushi, NUM,Parker, Bosch Rexroth, SEW, Siemens, Stöber and all other drive manufacturers mention in this website. The products offered by igus® are those of igus® GmbH