Those are both pictures of products sold by Steve Graber at grabercars. There are spectra filament reels on thingiverse but I haven't looked for the rollers. Though I think they could be created in OpenSCAD a lot easier than the spectra reels.
I have printed a couple of the reels from thingiverse. I'm planning on converting my Ord Bot Z-axis to a spectra drive train very similar to what runningfarmer has done with GT2 belts.
Here's the link to the reel I'm using:
http://www.thingiverse.com/thing:70377While I was grabbing that link I looked for rollers and you might want something like:
http://www.thingiverse.com/thing:45031or this is probably closer:
http://www.thingiverse.com/thing:215441