Thread: Linear bearing upgrade options?
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25-02-2015 #1
Hi there
I was wondering if anyone had any experience with upgrading chinease linear bearings?
On current machine I have 20mm supported rails and the LM20UUOP type bearings, they perform well but there is quite a lot of variance between them, as in some feel smooth and others are gritty and notchy. I have tried various settings of "preload" by tightening the grub screws on the housings but for the bad bearings this just makes them worse.
I have seen the top ball type units sold from marchantdice that have a much higher load rating and seem better quality
http://www.worldofcnc.com/products/tk-uuop
Has anyone got any experance with these and if they might improve smoothness or accuracy ??
Joe
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