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Our igubal spherical balls and spherical insert bearings consist of various tribologically optimised iglidur materials that offer specific properties for a wide range of applications. All materials share the common advantages of wear optimisation, dust and dirt repellence as well as freedom from lubrication and maintenance thanks to integrated solid lubricants.
Lubrication and maintenance-free
than stainless steel solutions

Up to 40% more cost-effective than stainless steel solutions
| Material iglidur | A160 | A181 | A180 | A350 | FC180 | H3 | J | J3 | J4 | R | UW | W300 | X |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum water absorption [Gew.-%] | 0.1 | 1.3 | 1.3 | 1.9 | 1.3 | 0.5 | 1.3 | 1.3 | 1.3 | 1.1 | 0.8 | 6.5 | 0.5 |
| Sliding friction coefficient against steel [μ] | 0.09 - 0.19 | 0.10 - 0.21 | 0.05 - 0.23 | 0.10 - 0,20 | - | 0.08 - 0.17 | 0.06-0.18 | 0.06-0.20 | - | 0.09-0.25 | 0.15 - 0.35 | 0.08 -0.23 | 0.09-0.27 |
| Maximum long-term application temperature [°C] | +90 | +90 | +90 | +180 | +90 | +200 | +90 | +90 | +90 | +90 | +90 | +90 | +250 |
| Maximum short-term application temperature [°C] | +100 | +110 | +110 | +210 | +110 | +240 | +120 | +120 | +120 | +110 | +110 | +180 | +315 |
| Min. application temperature [°C] | -50 | -50 | -50 | -100 | -40 | -40 | -50 | -50 | -50 | -50 | -50 | -40 | -100 |
| Thermal conductivity [W/m · K] | 0.30 | 0.25 | 0.25 | 0.24 | - | 0.25 | 0.25 | 0.25 | - | 0.25 | 0.6 | 0.24 | 0.60 |
| Shore D hardness | 60 | 76 | 76 | 76 | 69 | 75 | 74 | 73 | 74 | 77 | 78 | 77 | 85 |

Maximum water absorption [Gew.-%]: 6.5
Sliding friction coefficient, dynamic, against steel [μ]:0.08 - 0.23
Upper long-term application temperature: +90°C
Upper short-term application temperature: +180°C
Lower-40°C
Thermal conductivity [W/m · K]:0.24
Shore D hardness: 77

Maximum water absorption [Gew.-%]: 1.3
Sliding friction coefficient, dynamic, against steel [μ]:0.06 - 0.18
Upper long-term application temperature: +90°C
Upper short-term application temperature: +120°C
Lower-50°C
Thermal conductivity [W/m · K]:0.25
Shore D hardness: 74

Maximum water absorption [Gew.-%]: 1.3
Sliding friction coefficient, dynamic, against steel [μ]:0.06 - 0.20
Upper long-term application temperature: +90°C
Upper short-term application temperature: +120°C
Lower-50°C
Thermal conductivity [W/m · K]:0.25
Shore D hardness: 73

Maximum water absorption [Gew.-%]: 1.3
Upper long-term application temperature: +90°C
Upper short-term application temperature: +120°C
Lower-50°C
Shore D hardness: 74

Maximum water absorption [Gew.-%]: 0.2
Sliding friction coefficient, dynamic, against steel [μ]:0.09 - 0.25
Upper long-term application temperature: +90°C
Upper short-term application temperature: +110°C
Lower-50°C
Thermal conductivity [W/m · K]:0.25
Shore D hardness: 77

Maximum water absorption [Gew.-%]: 0.5
Sliding friction coefficient, dynamic, against steel [μ]:0.08 - 0.17
Upper long-term application temperature: +200°C
Upper short-term application temperature: +240°C
Lower-40°C
Thermal conductivity [W/m · K]:0.25
Shore D hardness: 75

Maximum water absorption [Gew.-%]: 0.8
Sliding friction coefficient, dynamic, against steel [μ]:0.15 - 0.35
Upper long-term application temperature: +90°C
Upper short-term application temperature: +110°C
Lower-50°C
Thermal conductivity [W/m · K]:0.60
Shore D hardness: 78

Maximum water absorption [Gew.-%]: 0.5
Sliding friction coefficient, dynamic, against steel [μ]:0.09 - 0.27
Upper long-term application temperature: +250°C
Upper short-term application temperature: +315°C
Lower-100°C
Thermal conductivity [W/m · K]:0.6
Shore D hardness: 85

Maximum water absorption [Gew.-%]: 0.1
Sliding friction coefficient, dynamic, against steel [μ]:0.09 - 0.19
Upper long-term application temperature: +90°C
Upper short-term application temperature: +100°C
Lower-50°C
Thermal conductivity [W/m · K]:0.30
Shore D hardness: 60

Maximum water absorption [Gew.-%]: 1.3
Sliding friction coefficient, dynamic, against steel [μ]:0.05 - 0.23
Upper long-term application temperature: +90°C
Upper short-term application temperature: +110°C
Lower-50°C
Thermal conductivity [W/m · K]:0.25
Shore D hardness: 76

Maximum water absorption [Gew.-%]: 1.3
Upper long-term application temperature: +90°C
Upper short-term application temperature: +110°C
Lower-40°C
Shore D hardness: 69

Maximum water absorption [Gew.-%]: 1.3
Sliding friction coefficient, dynamic, against steel [μ]:0.10 - 0.21
Upper long-term application temperature: +90°C
Upper short-term application temperature: +110°C
Lower-50°C
Thermal conductivity [W/m · K]:0.25
Shore D hardness: 76

Maximum water absorption [Gew.-%]: 1.9
Sliding friction coefficient, dynamic, against steel [μ]:0.10 - 0.20
Upper long-term application temperature: +180°C
Upper short-term application temperature: +210°C
Lower-100°C
Thermal conductivity [W/m · K]:0.24
Shore D hardness: 76
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