On 02/12/2011 06:23, Eli the Bearded wrote:
In rec.crafts.metalworking, Jon wrote:
I dutifully changed the oil in my Sheldon R15-6, which has a HUGE
D1-6 spindle. The chuck-end bearings are quite large, maybe
5-6" diameter ball bearings.

I'm trying to imagine something that needs ball bearings that are
five to six inches in diameter.

Elijah
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guessing HUGE would cover it

Slewing rings for big cranes, for a start. There are usually pictures in
SKF publicity literature, so try the web site.