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Finger Springs

Finger Springs are used to preload ball bearings and to reduce vibration in precision hard drive assemblies and other applications where light to medium loads are needed in a small space. Can be used at high speeds. Finger springs reduce noise and end play and do not increase in diameter during loading.

Contact points are equal to the number of fingers. Finger height is approximately 0.125 inches, except for MF0595-010, which has an approximate height of 0.09375 inches.
All parts have six fingers, with the exception of MF0595-010, which has three fingers. 
Parts are made from 1074 High Carbon Steel (ASTM-A684)

 

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Grid  List 

Set Descending Direction
Maximum O.D. (inches) Minimum I.D. (inches) Deflection (inches) Load at Defl. (lbs.) Material Thickness (inches) Finger Height (inches) For use with Bearing O.D. (inches)
MF0595-010 0.595 0.312 0.062 .3-1 0.01 0.09 0.6299
MF0728-006 0.728 0.344 0.062 4-8 0.006 0.125 0.748
MF0846-006 0.846 0.453 0.062 3-7 0.006 0.125 0.8661
MF0846-008 0.846 0.453 0.062 9-14 0.008 0.125 0.8661
MF0926-007 0.926 0.453 0.062 5-12 0.007 0.125 0.9449
MF0926-010 0.926 0.344 0.062 21-30 0.01 0.125 0.9449
MF1004-006 1.004 0.516 0.062 5-10 0.006 0.125 1.0236
MF1004-007 1.004 0.516 0.062 7-13 0.007 0.125 1.0236
MF1164-009 1.164 0.688 0.062 8-14 0.009 0.125 1.1811
MF1164-010 1.164 0.406 0.062 14-23 0.01 0.125 1.1811