1/8 Scale RC Motor Bearing Press Tool

This is used to install the front bearing of a Hobbywing 4268SD g3, but may work for other motors. 

1) first make sure your bearing can slide over “guide - BearingCenterTool” and that “press - hammer press dowel” can also slide over “guide - BearingCenterTool”. If not, take a little material away from ”guide - BearingCenterTool” with some sand paper until you can slide the bearing over it, and also slide the dowel over it. your printer needs to be well calibrated. If your flow is too high, or you are printing too fast/dont have sufficient cooling, this will be problematic. 

2) take “guide - BearingCenterTool” and slide it into the shaft hole on the pinion side of the motor such that the flat base is “outside” of the motor and the “shaft” is inside the motor.

2) drop bearing into the motor and slide it over the shaft of “guide - BearingCenterTool” 

3) put “press - hammer press dowel” inside the motor can and slide it over the shaft of “guide - BearingCenterTool”. Take a hammer and carefully tap the top of “press - hammer press dowel” until the bearing is fully seated.

tips: I put a tiny TINY bit of grease in the bearing carrier inside the motor, and put the bearing in the freezer for 5 min before install. then I took a long q-tip and wiped away any grease that pushed up.

“press - hammer press dowel” was printed on a heavily modified ender 3. Polymaker PETG. 0.6 nozzle, 6 walls. 6 top/bototm layers. solid part no infill.
 

“guide - BearingCenterTool” was printed on a voron 0.2 with 0.2nozzle out of PLA Plus.