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iglidur® Q290: Long life even on soft shafts and high loads

… good to shafts … … in case of heavy duty

Especially with medium to high dynamic loads, this material demonstrates its strengths: In rugged pivoting applications excellent durability can be achieved for shaft and bearings, e.g. in agricultural or construction machinery, and then specifically on "soft" shafts!

Long life even on soft shafts

Insensitive to edge loads

Continuous up to 140℃

Good cost/performance ratio

Lubricant- and mainteance-free

Standard program from stock

Typical applications: front loader, connections of hydraulic cylinders, undercarriages, hydraulic platforms

Result of panning tests on galvanised shafts

Wear rates [μm/km]

iglidur® Q290

iglidur® Z

Rolled metallic bearing with gliding layer

*failed: Shaft St52 galvanised. Cycle frequency 60.000. Tested with bearing diameter 20 mm and 20 mm length. The force in the test was 30,400 N.

Version with iglidur® Q290 on St52 galvanised

Metallic version on St52 galvanised

Dimensions according to ISO 3547-1 and special dimensions

Chamfer in relation to the d1

d1 [mm]	f [mm]
Ø 1–6	0,3
Ø 6–12	0,5
Ø 12–30	0,8
Ø > 30	1,2

Material table

General features
Density	1,27 g/cm³
Colour	black
moisture absorption at 23 °C and 50 %r. h.	3,0 weight-%
Maximum water absorption	9,3 weight-%
Mechanical Properties:
Bending E-module	3074 MPa
Bending strength	97 MPa
Max. recommended surface pressure at room temperature	55 MPa
Shore-D-hardness:	80
Thermal properties
Max. long term application temperature	+140 °C
Max. short term application temperature	+180 °C
Max. short term ambient temperature	+230 °C
Minimum application temperature	-40 °C
Electrical Properties:
Specific forward resistance	> 12¹⁰ Ωcm
Surface resistance	> 10¹² Ω

Part Number	d1	d1 tolerance		d2	b1
Q290SM-2023-20	20	+0,020	+0,068	23	20	Upon request
Q290SM-2528-30	25	+0,025	+0,083	28	30	Upon request
Q290SM-3034-30	30	+0,025	+0,083	34	30	Upon request
Q290SM-3539-40	35	+0,032	+0,102	39	40	Upon request
Q290SM-4044-40	40	+0,032	+0,102	44	40	Upon request
Q290SM-5055-50	50	+0,040	+0,124	55	50	Upon request
More about selected part:
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* After pressfit of the bearing in a housing with nominal dimension, the inner diameter of the bearings adjusts itself to an E10 tolerance.

Delivery

from May

News 2015

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