bearing preload design
bearing preload design
(OP)
Hi, Can any suggest a good website and book to help me in desinging how to preload bearings in the correct way, and calculating the preload of bearings. the application that I have is two bearings 17 i/d, 26 o/d with a rotating shaft going at 3000rpm.





RE: bearing preload design
I advice u to look at the publication of Amasorain for the calculation of the contact angle in a preloaded bearing..
RE: bearing preload design
h
Heckler
Sr. Mechanical Engineer
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(In reference to David Beckham) "He can't kick with his left foot, he can't tackle, he can't head the ball and he doesn't score many goals. Apart from that, he's all right." -- George Best
RE: bearing preload design
Preload in journal bearings means something quite different, according to Kingsbury.
h
RE: bearing preload design
rmw
RE: bearing preload design
RE: bearing preload design
Brandlein - Ball and Roller Bearings: Theory, Design and Application - Wiley
Harris - Rolling bearing analysis - Wiley
I hope this helps.
RE: bearing preload design
RE: bearing preload design
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A rotating shaft will generally NOT have freely moving races (slip fit), as race creep will result in shaft and race wear.
The motion is much like a hula-hoop, always in contact my belly. Imagine http://www.mgb-home.de/hula-hoop.jpg
Actually it is more like an internal gear with friction replacing the gear teeth, and the inner "gear" (shaft) just 0.001 inch smaller than the ouer gear (race)
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Special loading conditions can change this rule to prevent race creep. Compare your application to Table 7.1 here - http://www.ntnamerica.com/pdf/2200/brgfits.pdf