Circular Flat Vacuum Preloaded Air Bearings LRAVP200 / 615-15218

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Applications which require a reduction in the number of bearing components will benefit from using this vacuum preloaded model LRAVP200 air bearing. This flat circular air bearing supports frictionless planar (rotational or translational) motion. Weighing less than 100 grams, the 2 inch diameter air bearing surface can support up to 23 pounds with a vacuum holding force of about 9 pounds.

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User Instructions
Comparison Table
Load Capacity, lbs[N] 23 [101]
Stiffness, lbs/inch [N/µm] 105000 [18]
Vacuum Holding Force at Rated Vacuum, lbs[N] 9 [38]
Ball Seat Preload Force at Rated Vacuum, lbs[N] 8 [35]
Flow Rate, scfh [slpm] 2.3 [1.1]
Air gap, microinches [µm] 200 [5]
Natural Frequency*, Hz 211
Physical Properties:
Diameter, inches [mm] 2.0 [50.8]
Height, inches [mm] 0.7 [17.0]
Ball Seat Diameter, inches [mm] 0.394 [10.0]
Mating Ball Stem Model number R5M8
Air Bearing Surface Flatness, microinches [µm] 20 [0.5]
Air / Vacuum Supply fitting thread, imperial [metric] M5 [10-32]
Material Aluminum/porous carbon
Weight, lbs [N] 0.193 [0.8]
Installation Requirements:
Mating Surface Local Flatness, microinches [µm] 20 [0.5]
Mating Surface Roughness, microinches [µm] 16 [0.4]
Rated Vacuum, inHg [Mpa] 20 [.06]
Rated Supply Pressure, psig [Mpa] 80 [0.55]
Max. Supply Pressure, psig [Mpa] 100 [0.69]
Air Quality ISO Class 3 or better preferred
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