Cylindrical Air Bearings LCAP075 / 630-43630

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This cylindrical air bearing supports frictionless linear and rotational motion. Weighing in at only 65 grams, the small, 0.75 inch inside diameter of this bearing allows for compact stage designs. Best designed for the lightest of loads, it also has the smallest air consumption.

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Solid Model
User Instructions
Comparison Table
Load Capacity, lbs[N] 33 [145]
Stiffness, lbs/inch [N/µm] 170000 [29]
Flow Rate, scfh [slpm] 8 [4]
Radial Air gap, microinches [µm] 400 [10]
Physical Properties:
Outside Diameter, inches [mm] 1.250 [31.75]
Inside Diameter, inches [mm] 0.7508 +.0002/-0 [19.070 +.005/-0]
Length, inches [mm] 2.13 [54.0]
Recommended shaft size, inches [mm] 0.75 [19.1]
Shaft Tolerance -0.0002 [-0.005]
Air Bearing Inside Diameter Roundness, microinches [µm] .000050 [.001]
Supply fitting thread, metric [imperial] M3
Material Aluminum/porous carbon
Weight, lbs [N] 0.142 [0.6]
Installation Requirements:
Mating Surface Local Roundness, microinches [µm] .000050 [.001]
Mating Surface Roughness minimum, 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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