Page 1194 - IGUS Bearing

Material properties Material properties

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POM black iglidur RN246 + RN248
General properties Unit POM black Testing method General properties Unit RN246 RN248 Testing method
Density g/cm 3 1.41 Density g/cm 3 1.49 1.25
Colour black Colour blue black
Max. moisture absorption at +23°C and 50% r.h. % weight 0.2 DIN 53495 Max. moisture absorption at +23°C and 50% r.h. % weight 2.0 1.4 DIN 53495
Max. moisture absorption % weight 1.1 Max. moisture absorption % weight 6.0 7.6
Mechanical properties Mechanical properties
Flexural modulus MPa 1,900 DIN 53457 Flexural modulus MPa 6,000 2,700 DIN 53457
Flexural strength at +20°C MPa 68 DIN 53452 Flexural strength at +20°C MPa 180 99 DIN 53452
Max. recommended surface pressure (+20°C) MPa 23 Max. recommended surface pressure (+20°C) MPa 65 50
Shore D hardness 78 DIN 53505 Shore D hardness 85 – DIN 53505
Physical and thermal properties Physical and thermal properties
Max. long-term application temperature °C +90 Max. long-term application temperature °C +80 +90
Max. short-term application temperature °C +120 Max. short-term application temperature 1) °C +120 +180
Min. application temperature °C -50 Min. application temperature °C -40 -40
Electrical properties Electrical properties
Specific transitional resistance Ωcm > 10 12 DIN IEC 93 Specific transitional resistance Ωcm > 10 11 > 10 3 DIN IEC 93
Surface resistance Ω > 10 12 DIN 53482 Surface resistance Ω > 10 11 > 10 9 DIN 53482

1) Without fill weight; no gliding movement; relaxation not excluded

iglidur RN33 + RN89 iglidur JB
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General properties Unit RN33 RN89 Testing method General properties Unit iglidur JB Testing method
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Density g/cm 3 1.36 1.44 Density g/cm 3 1.49
Colour black grey Colour black
Max. moisture absorption at +23°C and 50% r.h. % weight 1.4 0.9 DIN 53495 Max. moisture absorption at +23°C and 50% r.h. % weight 0.3 DIN 53495
Max. moisture absorption % weight 6.0 3.9 Max. moisture absorption % weight 1.3
Mechanical properties Mechanical properties
Flexural modulus MPa 3,200 5,900 DIN 53457 Flexural modulus MPa 2,400 DIN 53457
Flexural strength at +20°C MPa 80 150 DIN 53452 Flexural strength at +20°C MPa 73 DIN 53452
Max. recommended surface pressure (+20°C) MPa 60 45 Max. recommended surface pressure (+20°C) MPa 35
Shore D hardness 77 79 DIN 53505 Shore D hardness 74 DIN 53505
Physical and thermal properties Physical and thermal properties
Max. long-term application temperature °C +90 +90 Max. long-term application temperature °C +90
Max. short-term application temperature °C +120 +170 Max. short-term application temperature °C +120
Min. application temperature °C -40 -40 Min. application temperature °C -50
Electrical properties Electrical properties
Specific transitional resistance Ωcm ~ 10 11 10 - 10 9 DIN IEC 93 Specific transitional resistance Ωcm > 10 13 DIN IEC 93
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Surface resistance Ω ~ 10 11 10 - 10 9 DIN 53482 Surface resistance Ω > 10 12 DIN 53482
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ASEAN 09/2023 ASEAN 09/2023

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