Geeetech mini rostock delta g2s pro linear bearing

thingiverse

Replacement linear bearings for the carriage are available, measuring 45mm in length - twice that of the original metal LM10UU or drylin 10mm linear bearings. These new bearings fit tightly on the rods with no slop and weigh less than half as much as the original holders and metal bearings. Optional 8mm versions have been included for users who need them, but they do not serve a purpose on the Geeetech mini delta due to their size limitations. Designed as an alternative to adding additional bearings and enlarging the carriage, these longer bearings were created. However, since they did not fit into existing plastic bearing holders, I incorporated the holder into the design as one piece that can be bolted in place using M5 nuts and bolts. Printing supports have been included in the design for users who need them. While a slicer can be used to add support material, I found that Nylon did not require any additional support during printing. Printed from Taulman Bridge Nylon, these bearings fit perfectly and run smoothly on the rod with no slop once reamed. The 10mm straight cut reamer was used to ream them, but they still stuck due to being a very tight fit on the 8/32 rods of my Geeetech G2S pro. Update: August 13, 2017 - It has been discovered that the 10mm bearings have a very tight fit on the rods. Using a 10mm straight cut reamer to ream them did not provide enough clearance and they still stuck. To resolve this issue, it is either necessary to ream them slightly larger or print with more internal diameter clearance. Unfortunately, testing has been awkward due to having to dismantle the machine each time to test the bearings.