Rectangular Flat Air Bearings LSAP100200 / 610-22083

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The small-medium sized model LSAP100200 air bearing supports frictionless motion in a plane without wear of the mating surfaces. With 70 pounds of load capacity, the air bearing rides at a nominal flying height of 5 microns. The LSA series bearings can be combined in an assembly to constrain motion to varying degrees.

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Comparison Table
Load Capacity, lbs[N] 70 [308]
Stiffness, lbs/inch [N/µm] 280000 [49]
Flow Rate, scfh [slpm] 3.8 [1.8]
Air gap, microinches [µm] 200 [5]
Average Gap Sense Pressure at Rated Load, psig [Mpa] 56 [0.39]
Natural Frequency*, Hz 198
Physical Properties:
Length, inches [mm] 1.0 [25.4]
Width, inches [mm] 2.0 [50.8]
Height, inches [mm] 0.63 [16.0]
Ball Seat Diameter, inches [mm] 0.394 [10.0]
Mating Ball Stem Model number R5M8
Bearing Flatness, microinches [µm] 20 [0.5]
Supply fitting thread, metric [imperial] M3
Material Aluminum/porous carbon
Weight, lbs [N] 0.112 [0.5]
Installation Requirements:
Mating Surface Local Flatness, microinches [µm] 20 [0.5]
Mating Surface Roughness, microinches [µm] 16 [0.4]
Supply Pressure, psig [Mpa] 80 [0.55]
Max. Supply Pressure, psig [Mpa] 100 [0.69]
Air Quality ISO Class 3 or better preferred
Number of Units:
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