sources for small r8 spindle/motor assemblies

hi all-

the x-axis of the prototype benchtop mill is nearing completion and the
y-axis is being planned out now.

in preparation for the z-axis, i'm trying to find r8 spindle/motor
assemblies. so far, the only ones turning up are machines that can be
cannibalized (like the x2 or x3 mills from sieg).

i've checked ebay for motors and such and there seem to be only large
motors for vmcs or other machines of that size and ones smaller than a
mini-mill motor assembly.

are there any other sources?

thanks!

david



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