Cylindrical Air Bearings LCAP300 / 630-43635

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The LCAP300 air bearing has a stiffness of 1-1/4 million pounds per inch and supports over 350 pounds. Typical for the LCA series, these bearings are more accurate than even the finest rolling element bearings by orders of magnitude due to the frictionless, non-contact properties of air bearings.

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Downloads:
Drawing Download
Solid Model
User Instructions
Comparison Table
Performance:
Load Capacity, lbs[N] 350 [1540]
Stiffness, lbs/inch [N/µm] 1390000 [241]
Flow Rate, scfh [slpm] 33 [16]
Radial Air gap, microinches [µm] 400 [10]
Physical Properties:
Outside Diameter, inches [mm] 3.875 [98.43]
Inside Diameter, inches [mm] 3.0008 +.0002/-0 [76.220 +.005/-0]
Length, inches [mm] 3.75 [95.3]
Recommended shaft size, inches [mm] 3.00 [76.2]
Shaft Tolerance -0.0004 [-0.010]
Air Bearing Inside Diameter Roundness, microinches [µm] .000050 [.001]
Supply fitting thread, metric [imperial] M5 [10-32]
Material Aluminum/porous carbon
Weight, lbs [N] 1.616 [7.1]
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
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