Grooved Linear Bearing
thingiverse
This is a printable, grooved version of the 1/4" Linear Bearing used on the cupcake CNC. ABS isn't an ideal bearing material for several reasons, but I think it should be ok for light duty applications if properly lubed (hence the grooves), and you can always print a replacement. Alternatively you could use HDPE or UHMWPE (which melts at about 300F); I've attached a non-grooved version just in case. Notes: 1) Should print ok, but I haven't tried it. 2) ID as shown is slightly undersized - it should be reamed to get a good fit. Instructions 1) Print in material of choice 2) Ream ID to .2500" (or whatever you like) 3) Lubricate (or not) 4) Use
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