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RE: Why turntable bearing shaft and spindle machined as one piece?

Hi Caligari,

I think a simplistic answer to your question would be that, typically, fewer parts means lower costs when manufacturing anything, be that a pair of roller skates or a turntable, low or high end.

Making the bearing shaft and spindle from a monolithic turning is easy to do using very common manufacturing methods. Separating the spindle from the rest of the shaft/bearing body introduces some extra pieces and would require some precision to ensure the centers were concentric and parallel.

That's not impossible, of course, nor super costly, as it's done quite commonly for all manner of mechanical devices.

The next question becomes that of cost/benefit. Hard to say if manufacturers have tried other options and come back to the monolithic approach, that they're able to satisfy market requirements with the monolithic approach and see no need to change, or they just haven't tried.

Maybe you could be the one to advance the leading edge here...

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