Circular Flat Air Bearings LRAP350 / 610-22456

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The LRAP350 air bearing has a stiffness of over 10 million pounds per inch and supports over 400 pounds. Typical for the LRA series, these bearings are more accurate than even the finest rolling element bearings by orders of magnitude.

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User Instructions
Comparison Table
Load Capacity, lbs[N] 407 [1791]
Stiffness, lbs/inch [N/µm] 1020833 [177]
Flow Rate, scfh [slpm] 4.0 [1.9]
Air gap, microinches [µm] 200 [5]
Average Gap Sense Pressure at Rated Load, psig [Mpa] 66 [0.46]
Natural Frequency*, Hz 157
Physical Properties:
Diameter, inches [mm] 3.5 [88.9]
Height, inches [mm] 0.89 [22.6]
Ball Seat Diameter, inches [mm] 0.630 [16.0]
Mating Ball Stem Model number R8M12
Air Bearing Surface Flatness, microinches [µm] 20 [0.5]
Supply fitting thread, metric [imperial] M5 [10-32]
Material Aluminum/porous carbon
Weight, lbs [N] 0.772 [3.4]
Installation Requirements:
Mating Surface Local Flatness, microinches [µm] 20 [0.5]
Mating Surface Roughness, microinches [µm] 16 [0.4]
Rated 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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