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aircraft model H-53
4.500 in. od; 3.000 in. id; 2.750 in. thk
1EA
FSC 3110 ⁓ Bearings, antifriction, unmounted
Note-this class includes bearings that generally have roller or balls confined by an inner and outer ring to relieve friction in/on/around rotating/moving mechanisms.
Excluding plain bearings (fsc 3120); jewel bearings (fsc 3120)
Used on aircraft model h-53.