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iglidur® J200 - Material data

Materials table

General features Unit iglidur® J200 test method
Density g/cm³ 1,72
Colour Dark gray
Max. humidity absorption at 23°C/50% R. H. % weight 0,2 DIN 53495
Max. water absorption % weight 0,7
Coefficient of surface friction, dynamic, against steel μ 0,11-0,17
PV values max. (dry) MPa x m/s 0,30

Mechanical properties
Bending E-module MPa 2800 DIN 53457
Tensile strength at +20 °C MPa 58 DIN 53452
compressive strength MPa 43
Maximum recommended surface pressure (20° C) MPa 23
Shore D hardness 70 DIN 53505

Physical and thermal properties
Max. long term application temperature °C +90
Max. short term application temperature °C +120
Upper short-term ambient temperature1) °C +140
Lower application temperature °C -50
Heat conductivity W/m x K 0,24 ASTM C 177
Coefficient of thermal expansion (at 23° C) K-1 x 10-5 8 DIN 53752

Electrical properties
Specific forward resistance Ωcm > 108 DIN IEC 93
Surface resistance Ω > 108 DIN 53482
1) Without additional load; no gliding movement; relaxation not excluded.
'Table 01: Material Data

Figure 01: Permitted PV values for iglidur® J200 bearings with 1 mm wall thickness in dry operation against a steel shaft, at 20°C, installed in a steel housing.

X = Surface speed [m/s]
Y = Load [MPa]

iglidur® J200 is the result of the development of a particularly low-friction plain bearing. The friction plays a crucial role particularly in linear applications. Whereas many materials have excellent coefficients of friction under high loads, iglidur® J200 is characterized by its property to retain very good coefficients of friction in low loads as well.

Figure 02: Maximum recommended surface pressure dependent on the temperature (23 MPa to +20 °C)

X = Temperature [°C]
Y = Load [MPa]
Figure 03: Deformation under load and temperatures

X = Load [MPa]
Y = Deformation [%]

Mechanical properties

Maximum recommended surface pressure represents a mechanical material parameter.
Tribological conclusions cannot be drawn from it. With increasing temperatures, the compressive strength of iglidur® J200 plain bearings decreases.
Fig. 02 clarifies this connection.
Under the maximum permitted load of 23 MPa, the deformation amounts to 3.5% (Fig. 03). A plastic deformation can be negligible up to this value. It is however also dependent on the period of exposure.

Maximum surface speed

m/s Rotary oscillating Linear
Constant 1 0,7 10
Short-term 1,5 1,1 15
Table 03: Temperature limits for iglidur® J200

Permitted surface speeds

iglidur® J200 attains high surface speeds through its excellent coefficients of friction. Continuous rotary speeds of 1 m/s are possible. The permitted speeds are clearly higher yet in linear movements or in short-term operation. Speeds of over 15 m/s were successfully tested in linear movements.

iglidur® J200 Operating temperature
Lower - 50 °C
Upper, long-term + 90 °C
Upper, short-term + 120 °C
Secure axially in addition + 60 °C
Table 03: Temperature limits for iglidur® J200


The maximum permitted temperature of +120°C should not be exceeded. Thereby the temperature generated by friction has to be added. From 60°C onward, the bearing should be additionally mechanically fastened, so that the danger of the bearing creeping out of the bore is avoided. The wear resistance too declines disproportionately from 70°C.

Figure 04: Coefficients of friction dependent on the surface speed, p = 0,75 MPa

X = Surface speed [m/s]
Y = Coefficient of friction μ
Figure 05: Coefficients of friction dependent on the load, v = 0,01 m/s

X = Load [MPa]
Y = Coefficient of friction μ

Friction and wear

Among all the iglidur® materials, iglidur® J200 exhibits the lowest coefficients of friction. The average coefficient of friction of all measurements, even with different shaft materials, is 0.11 μ. As a counter partner hard-anodised aluminium assumes special importance.
The comparison with the rest of the iglidur® materials makes it clear that iglidur® J200 bearings are suitable for rather low loads. The influence of surface speed and load on the friction coefficient is not very pronounced. The decrease of friction coefficient with the load is within the normal range (Fig. 04 and 05). Regarding the shaft surface finish, the optimum is in the range of 0.2 to 0.4 Ra. The influence of the shaft is in contrast very large in wear resistance. It is worth a look at the extensive wear data bank at low loads.

iglidur® J200 Dry Grease Oil Water
Coefficients of friction µ 0,11 - 0,17 0,09 0,04 0,04
Table 04: Coefficients of friction for iglidur® J200 against steel

Fig. 06: Wear, rotating application with Figure 06: Wear, rotating application with different shaft materials, p = 1 MPa, v = 0,3 m/s
X = shaft materials
Y = wear [μm/km]
A = Aluminum, hard-anodized
B = machining steel
C = Cf53
D = Cf53, hard chrome-plated
E = St37
F = V2A
G = X90

Shaft materials

The used shaft material has a large influence on the wear resistance. Although all shaft materials (soft or hardened) are suitable for use with iglidur® J200, the best results are obtained with hard anodized aluminum. This counter partner has proved itself particularly in linear movements.

Fig. 07: Wear in oscillating and rotating Fig. 07: Wear with oscillating and rotating applications with Cf53 as a function of the load
X = Load [MPa]
Y = Wear [μm/km]
A = Cf53, rotating
B = Cf53, swivelling

Medium Resistance
Alcohols +
Hydrocarbons +
Greases, oils without additives +
Fuels +
Diluted acids 0 to -
Strong acids -
Diluted bases +
Strong bases + to 0
+ resistant      0 limited resistance      - not resistant
All specifications at room temperature[+20 °C]
Table 05: Chemical resistance of the iglidur® bearings J200

Electrical properties

Specific forward resistance > 108 Ωcm
Surface resistance > 108 Ω

Chemical resistance

iglidur® J200 bearings are resistant to diluted alkalis as well as to solvents and most lubricants.

Radioactive rays

iglidur® J200 bearings are radiation resistant up to a radioactive intensity of 3 x 10² Gy.


iglidur® J200 bearings are very resistant to the influence of UV rays.


The use in vacuum is possible only conditionally. Only dry bearings made of iglidur® J200 should be tested in vacuum.

Electrical properties

Bearings made of iglidur® J200 are electrically insulating.

Delivery program

The iglidur® J200 bearings are manufactured according to order specifications.

Maximum moisture absorption
by +23 °C/50 % r. F. 0,2 weight-%
Max. water absorption 0,7 weight-%

Table 06: Moisture absorption

Effect of moisture absorption on plain bearings Diagram 10: Effect of moisture absorption
X = Moisture absorption [weight %]
Y = Reduction of inside diameter [%]

humidity absorption / moisture absorption

The humidity absorption of iglidur® 200 bearings amounts to about 0,2% in standard climatic conditions. The saturation limit in water is 0,7 %. These values are so low that a moisture expansion need to be considered only in extreme cases.

d1 [mm]
h9 [mm]
iglidur® J200
E10 [mm]
Housing H7
Up to 3 0 - 0,025 +0,014 +0,054 0 +0,010
> 3 to 6 0 - 0,030 +0,020 +0,068 0 +0,012
> 6 to 10 0 - 0,036 +0,025 +0,083 0 +0,015
> 10 to 18 0 - 0,043 +0,032 +0,102 0 +0,018
> 18 to 30 0 - 0,052 +0,040 +0,124 0 +0,021
> 30 to 50 0 - 0,062 +0,050 +0,150 0 +0,025
> 50 to 80 0 - 0,074 +0,060 +0,180 0 +0,030
> 80 to 120 0 - 0,087 +0,072 +0,212 0 +0,035
> 120 to 180 0 - 0,100 +0,085 +0,245 0 +0,040

Table 07: Important tolerances iaw. ISO 3547-1 after press-fitting.

Installation tolerances

iglidur® J200 bearings are standard bearings for shafts with h-tolerance (recommended minimum h9). The bearings are designed for press-fit in a housing with h7 tolerance. After the installation in a housing with nominal diameter H7, the inner diameter of the bearing automatically adjusts to the E10 tolerance. In certain dimensions the tolerance in dependence on the wall thickness deviates from this (See delivery program )

The terms "igus", "Apiro", "CFRIP", "chainflex", "conprotect", "CTD", "drygear", "drylin", "dryspin", "dry-tech", "easy chain", "e-chain", "e-chain systems", "e-loop", "e-ketten", "e-kettensysteme", "e-spool", "e-skin", "flizz", "ibow", "igear", "iglidur", "igubal", "kineKIT", "manus", "motion plastics", "pikchain", "plastics for longer life", "print2mold", "readycable", "readychain", "ReBeL", "robolink", "speedigus", "tribofilament", "triflex", "xirodur" and "xiros" are legally protected trademarks of the igus® GmbH/Cologne in the Federal Republic of Germany, and, where applicable, in some foreign countries. igus® GmbH points out that it does not sell any products of the companies Allen Bradley, B&R, Baumüller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsubishi, NUM, Parker, Bosh Rexroth, SEW, Siemens, Stöber and all other drive manufacturers mentioned on this website. The products offered by igus® are those of igus® GmbH.