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igus® Ltd.

Caswell Road

Northampton, NN4 7PW

01604 677240

Rod end bearing with male thread, KALM CL, stainless steel sleeve, spherical ball iglidur® W300, mm

  • The second generation of rod end bearings with male thread  
  • iglidur® W300 spherical ball
  • Stainless steel sleeve for higher tightening torque
  • Left-hand thread
  • igumid® G housing
  • Dimensional K series according to DIN ISO 12240
Product description
igubal® rod end bearing with male thread
 
igubal® rod ends are corrosion-resistant and can be used without problems in harsh environments. In moist or wet environments, they are resistant to weak acids and alkalines. Rod ends are also resistant to dirt and dust.
 
Housing made from igumid G, an extremely impact-resistant, long-fibre-reinforced polymer. Suitable for temperatures from -40°C to +90°C in long-term use
 
In standard spherical bearings, the spherical ball is made from iglidur® W300 material, which is known for lowest coefficient of friction in dry running and extremely low tendency to stick-slip. This is especially important for low loads and very slow movements. Version with stainless steel sleeve in the spherical ball for higher tightening torque.
  • Maintenance-free dry running
  • Extremely cost-effective
  • No lubrication
  • High rigidity
  • Durable in varying loads
  • Compensation for misalignment
  • Compensation for edge loads
  • Resistant to dirt, dust and lint
  • Resistant to corrosion and chemicals
  • Can be used in liquid media
  • Vibration-dampening
  • Suitable for rotating, oscillating and linear movements
  • Inner rings mounted with extremely little clearance
  • lightweight

Typical application areas
  • Bicycle manufacturing
  • Plant construction
  • packaging
  • Offshore
     
    You will find plenty of additional application areas at our Industry solutions
 
When to use it?
  • If you want to save weight
  • For rotating, oscillating and linear movements
  • If high-frequency oscillations/vibrations occur
  • If low-noise operation is required
  • If you need an electrically insulating part
  • If corrosion resistance is required
  • In combination with pneumatic cylinders and gas struts
  • If chemical resistance is required
  • If high rigidity is required
When not to use it?
  • If temperatures are higher than +90°C
  • When rotation speeds higher than 0.5m/s are required
  • When really high tensile and axial forces occur
  • When applications with hydraulic cylinders are planned
  • If diameters above 30mm are required
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Tolerances
igubal® bearing elements can be used with different tolerances according to each application. They are designed with a large bearing clearance in the standard product, which enables secure operation even under high peripheral speeds. The hole of the inner ring is produced to a standard tolerance range E10. Shafts should also meet recommended tolerances h6 and h9. Check the inner diameter
 
Coefficient of sliding friction and speed
 
One important advantage of maintenance-free igubal® spherical bearings is that rapid rotary movements of a mounted shaft take place directly in the spherical portion made from iglidur® materials. The advantage of these polymer/metal plain bearings is that high speeds are possible even when dry running. Taking the radial loads into account, maximum surface speeds up to 0.5m/s rotating can be attained. In contrast, angular movements of the spherical bearings take place at the outer diameter of the spherical ball. The maintenance-free igubal® bearing elements also permit linear movements of the shaft.
 
Chemical resistance of igubal® bearings
 
The spherical balls made from iglidur® W300 and the housing made from igumid G are resistant to weak alkalines, weak acids and fuels, as well as all types of lubricants. The moisture absorption of igubal® spherical bearings is approximately 1.3% of its regular weight in standard environments. The saturation limit submerged in water is 6.5%. This must be taken into consideration in light of the prevailing environmental conditions. If a lower moisture absorption is required, it is worthwhile having a look at the various materials available.
 
UV resistance
 
The corrosion resistance of igubal® bearings is of special value for outdoor applications. igubal® bearings are permanently resistant to UV radiation. A small change in colour (dark colouration) of the spherical ball due to UV radiation and other weathering does not affect the mechanical, electrical or thermal properties.
Technical data
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