Page 752 - IGUS Bearing

iglidur bar stock | Material properties
®

iglidur ® Unit M250 P210 J4 RN289 B160 J W300 J3 J350 J260 R J200 E7 JB RN44 X HSD350

General properties

Density [g/cm ] 1.14 1.40 1.48 1.24 1.00 1.49 1.24 1.42 1.44 1.35 1.39 1.72 1.05 1.49 1.42 1.44 1.39
3

Colour

Max. moisture absorption at [% weight] 1.4 0.3 0.3 0.8 0.1 0.3 1.3 0.3 0.3 0.2 0.2 0.2 0.1 0.3 0.4 0.1 0.6
+23 °C/50% r.h.

Max. moisture absorption [% weight] 7.6 0.5 1.3 2.9 0.1 1.3 6.5 1.3 1.6 0.4 1.1 0.7 0.1 1.3 1.2 0.5 1.2

Coefficient of sliding friction, dynamic [µ] 0.18 - 0.07 - 0.06 - 0.45 - 0.13 - 0.06 - 0.08 - 0.06 - 0.10 - 0.06 - 0.09 - 0.11 - 0.08 - 0.06 - 0.31 - 0.09 - 0.07 -
against steel 0.40 0.19 0.20 0.57 0.20 0.18 0.23 0.20 0.20 0.20 0.25 0.17 0.17 0.18 0.36 0.27 0.23

pv value, max. (dry) [MPa · m/s] 0.12 0.4 0.30 – 0.25 0.34 0.23 0.5 0.45 0.35 0.27 0.3 0.22 0.34 0.27 1.32 0.3

Mechanical properties

Flexural modulus [MPa] 2,700 2,500 2,350 1,600 852 2,400 3,500 2,700 2,000 2,200 1,950 2,800 1,477 2,400 2,000 8,100 2,150

Flexural strength at +20°C [MPa] 112 70 70 60 14 73 125 70 55 60 70 58 22 73 75 170 67

Compressive strength [MPa] 52 50 55 – 37 60 61 60 60 50 68 43 18 60 – 100 44

Max. permissible surface pressure [MPa] 20 50 35 26 11 35 60 45 60 40 23 23 18 35 25 150 30
at +20°C

Shore D hardness 79 75 74 74 59 74 77 73 80 77 77 70 61 74 78 85 77

Physical and thermal properties

Max. continuous operating temperature [°C] +80 +100 +90 +110 +90 +90 +90 +90 +180 +120 +90 +90 +70 +90 +90 +250 +180

Max. short-term operating temperature [°C] +170 +160 +120 +130 +100 +120 +180 +120 +220 +140 +110 +120 +90 +120 +110 +315 +210

Min. continuous operating temperature [°C] -40 -40 -50 -30 -50 -50 -40 -50 -100 -100 -50 -50 -50 -50 -50 -100 -40

Thermal conductivity [W/m · K] 0.24 0.25 0.25 – 0.32 0.25 0.24 0.25 0.24 0.24 0.25 0.24 0.24 0.25 – 0.60 0.24

Coefficient of thermal expansion [K · 10 ] 10 8 10 9.7 11 10 9 13 7 13 11 8 25 10 16 5 7
-5
-1
at +23°C
Electrical properties

Specific cont act resistance [Ωcm] > 10 13 > 10 12 > 10 13 > 10 12 > 10 12 > 10 13 > 10 13 > 10 12 > 10 13 > 10 12 > 10 12 > 10 8 > 10 9 > 10 13 > 10 12 < 10 5 > 10 13

Surface resistance [Ω] > 10 11 > 10 11 > 10 13 > 10 12 > 10 12 > 10 12 > 10 12 > 10 12 > 10 10 > 10 10 > 10 12 > 10 8 > 10 9 > 10 12 > 10 12 < 10 3 > 10 14
ASEAN 09/2023 ASEAN 09/2023

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