iglidur® N54 - Material data

m/s

rotating

oscillating

linear

continuous

0,8

0,6

1

short-term

1,5

1,1

2

Table 02: Maximum surface speed

Permissible sliding speeds
Even if the typical application areas for iglidur®® N54 bearings are rather to be seen in intermittent operation, the maximum achievable speeds are still considerable, depending on the type of movement.The speeds specified in Table 02 are limit values for the lowest bearing loads. At higher loads, the permissible speed decreases with the load due to the limitations imposed by the pv value.

iglidur® N54

Application temperature

below

- 40 °C

upper, long-term

+ 80 °C

upper, short-term

+ 120 °C

additional axial protection from

+ 60 °C

Table 03: Temperature limits for iglidur® N54

Temperatures
The maximum permissible short-term temperature is +140 °C, which means that iglidur® N54 plain bearings can also be used in all applications with increased ambient temperatures. However, the compressive strength of iglidur® N54 plain bearings decreases with increasing temperatures. Additional protection is required at temperatures higher than +60 °C.

Medium

Resistance

Alcohols

+ to 0

Hydrocarbons

Greases, oils, not additivated

fuels

Diluted acids

0 to +

strong acids

-

Dilute bases

strong bases

0

+ resistant 0 conditionally resistant - not resistant
All data at room temperature [+20 °C]
Table 05: chemical resistance of iglidur® N54

Chemical resistance
iglidur® N54 plain bearings have good resistance to chemicals. They are resistant to most lubricants. Most weak organic and inorganic acids and bases do not attack iglidur® N54.

**
Electrical specification

Volume resistivity

< 1013 Ωcm

surface resistance

< 1011 Ω

Radioactive radiation
iglidur® N54 bearings can be used under radioactive radiation conditions. They are resistant up to a radiation intensity of 1 x 104 Gy.

Maximum moisture absorption

at +23 °C/50 % room humidity.

1.6 % by weight

max. total moisture absorption

3.6 % by weight

Table 06: Moisture absorption of iglidur® N54

Moisture absorption
The moisture absorption of iglidur® N54 bearings is less than 1.6 % in a normal climate. The saturation limit in water is 3.6 %.

Diameter****d1 [mm]

shaft h9**[mm]**

iglidur® N54****E10 [mm]

housing H7**[mm]**

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

Table 07: Important tolerances according to ISO 3547-1 after press-fitting

Installation tolerances
iglidur® UW plain bearings are standard bearings for shafts with tolerance (recommended minimum h9).

The bearings are designed to be pressed into a h7-toleranced mounting. After installation in a mounting with nominal dimensions, the inner diameter of the bearing with E10 tolerance adjusts itself. For certain dimensions, the tolerance deviates depending on the wall thickness (see product range).