Re: [CAD_CAM_EDM_DRO] re:leadscrew bearings / machine design

A GOOD lathe headstock uses Timken type tapered roller bearings for both thrust and radial capacity. Roller thrust bearings will always provide higher capacity than ball bearings!

Smoke
-----Original Message-----
From: JanRwl@... <JanRwl@...>
To: CAD_CAM_EDM_DRO@egroups.com <CAD_CAM_EDM_DRO@egroups.com>
Date: Monday, October 23, 2000 6:33 PM
Subject: Re: [CAD_CAM_EDM_DRO] re:leadscrew bearings / machine design


If you REALLY need some decent thrust capacity, and good "radial" capacity
(such as a lathe's spindle would require!), suggest you consider "angular
contact" bearings in pairs. These are also available in single-unit
"double-row". They make engineering a big-ol' complicated piece of 'chinry
straightforward, which is a boon to those of us who kain't spel gud.

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