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I fitted a lazy susan bearing [30cm diam.] immediately I bought my Sky 10" dob.
It cost $24 from a bearing retailer. I also bought a $5 thrust bearing
at the same time. With the thrust bearing fitted at the upper end of
the centre through bolt I can quickly and easily make small adjustments
to the tightness of the bolt and get the rolling resistance just how I like it. If you are not good with tools, you might have to get a mate to
install it for you, although it's not that hard to do.
Hope this helps
raymo
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