Needle roller bearing
cults3d
Small needle bearing diameter 30 mm https://www.youtube.com/watch?v=FOCRVdOnkAw&feature=youtu.be For the assembly it is necessary: Print cages Print the needles twice. Use only 27 needles for mounting. Insert the needles one by one, a small hole in the cages used for this. Very easy to do. The needles cannot be removed by themselves, but it is possible to remove them. NOP21
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