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  4. Tapered Air Bearing X

Tapered Air Bearing With Fixed Shaft
For maximum precision, smooth operation and optimum synchronization

Tapered air bearings X are roller air bearings with a conical, i.e. tapered, bearing arrangement. The shaft is fixed in this variant. Air is supplied via the shaft. This allows you to replace a conventional roller bearing (tapered bearing) and benefit from the advantages of a wear-free air bearing.

Aircraft manufacturers are already using these high-quality bearings. The advantages of this product are convincing: no contact, no friction, no wear, maximum speeds, unlimited service life, no heat generation at high speeds.

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Your advantages of an air bearing

  • Icon Vorteil Infinite service life, as maintenance-free.
  • Icon Vorteil Fast and smooth movements that do not jerk even at the highest resolution.
  • Icon Vorteil Much more precise positioning is possible with air bearings.
  • Icon Vorteil There is no loss of energy and no source of heat due to friction.
  • Icon Vorteil Free of lubricants or other lubricants.

Features

  • Icon MerkmalHousing material made of 7075 Al/anodized
  • Icon MerkmalAir-permeable graphite material
Characteristics Unit OAV-TPR13MX OAV-TPR20MX OAV-TPR25MX OAV-TPR40MX OAV-TPR50MX OAV-TPR75MX  
ID Ø mm 13 20 25 40 50 75  
Tolerance +0.013/-0.00              
AD Ø mm 53 70 70 90 100 148  
Tolerance +0.00/-0.013              
Breite mm 13 15 15 19 24 29  
Gewicht g 37 127 127 230 336 916  
Shaft Ø mm 13 20 25 40 50 75  
Gehäusebohrung mm 53 70 70 90 100 148  
  Tolerance +0.013/-0.0 +0.02/-0.0 +0.013/-0.0 +0.013/-0.0 +0.013/-0.0 +0.013/-0.0  
Inlet pressure MPa 0.14 - 0.68            
Air connection   M3 x 0.8   M5 X 0.8        
Air supply   via the shaft            
Stiffness radial N/µm 21 33   68 96 168  
Actuating torque Nm 0.9 2.0   2.9   3.7 6.7
Radiallast max. N 192 283   483 777 1441  
Axiallast max. N 111 170   290 466 420  
Concentricity µm ±0.025            
Axial and radial error µm 0.023            
Concentricity µm ±0.025            

Standards and guidelines

  • Icon NormREACH
  • Icon NormRoHS2

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FAQ

Can another gas also be used? Compressed air is commonly used in industrial applications. Compressed nitrogen is also possible, but this also changes the air bearing values. All specifications must be considered when using compressed air.
How clean must the supply air be? Cleanliness class between 3 and 4 of ISO 8573.1
How are air bearings maintained? The air bearings are maintenance-free.
Can I clean the surface? Use a soft cloth with isopropyl alcohol and let it dry.
How do I install an air bearing? Please read the instructions before starting. Each type of air bearing must be installed differently and this should be taken into account during the design phase.
How does an air bearing maintain stability and damping effect? Air bearings are coated with a special epoxy resin that seals the pores on the surface where no airflow is desired. The design thus forces the airflow in the direction of the friction-free surface. This results in greater rigidity, more stability and better damping properties.


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