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Air Bearings Specifications

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Shape




           
   Your choices are...
 
      
 
   Cylindrical / Bushing
 
     The shape of the air bearing is formed as a cylinder. The application would be for air bushings running on a round rail.
 
   Dovetail
 
     Dovetail is a type of air bearing shaped somewhat like a wedge. The bearing surrounds the rail it runs on three sides - the top and the two sides.
 
   Flat, Rectangular / Square
 
     Air bearings that are flat or low profile and square or rectangular in shape.
 
   Flat, Round
 
     Air bearings that are flat or low profile and round in shape.
 
   Spherical
 
     The shape of the air bearing is like a ball, which sits inside a matching shaped housing. There is a platform on the sphere for mounting equipment.
 
   Other
 
     Other unlisted, specialized or proprietary configurations.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
Specifications




   Load Capacity:
 
     The load the air bearing is rated to carry.
 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Stiffness
 
     Every air bearing has a stiffness number. This is important in metrology applications and where heavy loads are present. High stiffness translates into very low deflection and, hence, very low measuring error.
 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Design Units:       
   Your choices are...
 
      
 
   English
 
     Units are inches or fractions of an inch.
 
   Metric
 
     Units such as millimeters or centimeters.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Nominal Size / Bore:
 
     Nominal size or bore for any of the bearing types listed.  In general, this field corresponds to:

Cylindrical Bushing:  Bore or I.D.
Dovetail:  Nominal Rail Size
Flat:  Short Side for Square / Rectangular
Flat:  Diameter for Round
Spherical:  Nominal Sphere Radius
 
 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
Technology Used




           
   Your choices are...
 
      
 
   Porous Media
 
     Porous media feeds air to where it is needed by pushing air through the entire porous surface. Some examples of the types of porous media commonly used are bronze, carbon, and steel.
 
   Orifice
 
     Orifice openings are small holes through the bearing block through which air is fed to the surface. The sizes range from .004 inches to .015 inches diameter.
 
   Other
 
     Other unlisted, specialized, or proprietary configurations.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
Preload Method




           
   Your choices are...
 
      
 
   Magnetic
 
     Magnetic preload is used to maintain a constant distance between the surface and the air bearing. This ensures optimum performance.
 
   Opposing Air
 
     A form of preloading where the air bearing has equal force applied on two sides. Opposing air is used for air bearings that run in a slotted rail.
 
   Vacuum
 
     Vacuum preload is used to maintain a constant distance between the surface and the air bearing. Vacuum is applied to remove air under the air bearing and maintain height.
 
   Weight
 
     Weight preload is used to maintain a constant distance between the surface and the air bearing. This ensures optimum performance.
 
   Other
 
     Other unlisted, specialized, or proprietary configurations.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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