8mm Self aligning Igus bearing vertical or horizontal mount

Just a mod of my http://www.thingiverse.com/thing:2034659 to be able to mount it either vertically or horizontally. Only one model to be kept in inventory :)
See also: http://www.thingiverse.com/thing:1824584 that offers some elasticity.

Use self tapping screws, 2.8 to 3.2 OK. M3 OK too, no real need to tap before.
See my other things for application example.
Can replace SC 8mm pillbox too, just that the distance from base to center is 10 mm, one mm less than the chinese SC 8.

Use the