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iglidur plain bearings | Material properties
®
iglidur ® Unit G G1 M250 P210 P230 P K GLW J W300 J3 J3B J350 J260 W360 L250 L350 L500 R D J200 E7 E
General properties
Density [g/cm ] 1.46 1.58 1.14 1.40 1.57 1.58 1.52 1.36 1.49 1.24 1.42 1.42 1.44 1.35 1.34 1.5 1.54 1.53 1.39 1.4 1.72 1.05 1.50
3
Colour
Max. moisture absorption at [% weight] 0.7 0.2 1.4 0.3 0.1 0.2 0.1 1.3 0.3 1.3 0.3 0.3 0.3 0.2 0.2 0.7 0.4 0.1 0.2 0.3 0.2 0.1 0.2
+23°C and 50% relative humidity
Max. moisture absorption [% weight] 4.0 1.7 7.6 0.5 0.3 0.4 0.6 5.5 1.3 6.5 1.3 1.3 1.6 0.4 1.6 3.9 1.4 0.3 1.1 1.1 0.7 0.1 1.7
Coefficient of sliding friction, [µ] 0.08 - 0.08 - 0.18 - 0.07 - 0.06 - 0.06 - 0.06 - 0.10 - 0.06 - 0.08 - 0.06 - 0.09 - 0.10 - 0.06 - 0.07 - 0.08 - 0.15 - 0.19 - 0.09 - 0.08 - 0.11 - 0.08 - 0.08 -
dynamic against steel 0.15 0.15 0.40 0.19 0.21 0.21 0.21 0.24 0.18 0.23 0.20 0.23 0.20 0.20 0.21 0.19 0.20 0.26 0.25 0.26 0.17 0.17 0.23
pv value, max. (dry) [MPa · m/s] 0.42 0.60 0.12 0.4 0.30 0.39 0.3 0.3 0.34 0.23 0.5 0.5 0.45 0.35 0.35 0.4 3.0 4.0 0.27 0.27 0.3 0.22 0.25
Mechanical properties
Flexural modulus [MPa] 7,800 11,486 2,700 2,500 6,532 5,300 3,500 7,700 2,400 3,500 2,700 2,895 2,000 2,200 3,829 1,950 15,882 12,015 1,950 2,000 2,800 1,477 2,975
Flexural strength at +20°C [MPa] 210 178 112 70 173 120 80 235 73 125 70 65 55 60 119 67 210 201 70 72 58 22 79
Compressive strength [MPa] 78 115 52 50 101 66 60 74 60 61 60 n.s. 60 50 n.s. 47 210 70 68 70 43 18 n.s.
Max. permissible [MPa] 80 91 20 50 60 50 50 80 35 60 45 44 60 40 75 45 59 70 23 23 23 18 37
surface pressure at +20°C
Shore D hardness 81 81 79 75 80 75 72 78 74 77 73 76 80 77 n.s. 68 80 81 77 78 70 61 78
Physical and thermal properties
Max. continuous operating [°C] +130 +180 +80 +100 +110 +130 +170 +100 +90 +90 +90 +90 +180 +120 +180 +90 +180 +250 +90 +90 +90 +70 +90
temperature
Max. short-term operating [°C] +220 +220 +170 +160 +180 +200 +240 +160 +120 +180 +120 +110 +220 +140 +200 +180 +210 +315 +110 +110 +120 +90 +120
temperature
Min. continuous operating [°C] -40 -40 -40 -40 -30 -40 -40 -40 -50 -40 -50 -50 -100 -100 -40 -40 -100 -100 -50 -50 -50 -50 -50
temperature
Thermal conductivity [W/m · K] 0.24 0.46 0.24 0.25 0.34 0.25 0.25 0.24 0.25 0.24 0.25 0.30 0.24 0.24 0.24 0.24 0.61 0.45 0.25 0.25 0.24 0.24 0.25
Coefficient of thermal expansion [K · 10 ] 9 3.5 10 8 5 4 3 17 10 9 13 12.7 7 13 6 10 7 6 11 11 8 25 10
-1
-5
at +23°C
Electrical properties
Specific cont act resistance [Ωcm] > 10 13 > 10 9 > 10 13 > 10 12 > 10 12 > 10 13 > 10 12 > 10 11 > 10 13 > 10 13 > 10 12 > 10 12 > 10 13 > 10 12 > 10 13 > 10 10 > 10 5 > 10 10 > 10 12 > 10 14 > 10 8 > 10 9 > 10 12
Surface resistance [Ω] > 10 11 > 10 11 > 10 11 > 10 11 > 10 12 > 10 12 > 10 12 > 10 11 > 10 12 > 10 12 > 10 12 > 10 12 > 10 10 > 10 10 > 10 12 > 10 11 > 10 5 > 10 12 > 10 12 > 10 14 > 10 8 > 10 9 > 10 12
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ASEAN 09/2023 ASEAN 09/2023
36 Online tools and more information u www.igus-asean.com/iglidur 3D CAD files, prices and delivery times online u www.igus-asean.com/iglidur 37
