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In general, the service life of a screw airend is directly related
to service life of its bearings. In turn, the service life of the bearings are directly affected by the type, size, function, rotor RPM, and dimensional accuracy of all interacting components.
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To ensure long service life, the bearings, rotors and casing are
manufactured from the highest quality materials. COAIRE's exclusive rotor support bearings control radial loads while stainless steel caged, angular contact bearings deal strictly with axial
thrust loads. COAIRE's exclusive 5 + 7 rotor profile have larger rotor diameters thereby reducing RPM, vibration and noise levels. The single purpose bearing design and the most advanced 5 + 7 rotor profile combine
to create an airend with a 50,000 hour service life. |
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rotors used in COAIRE screw airend are manufactured using grinding method, resulting in highly accurate and smooth rotor profile. Consequently, COAIRE screw
airend requires up to nine ( 9 ) percent less electric power consumption compared with other existing screw airends.