printing ball bearing

[Jan21 0]

Does anyone knows what the ideal print adjustments are for an Ultimaker S3, to print a ball bearing? And what could be the minimum space between the housing and the ball? Notice that the shaft diameter is 20mm.

[geert_2 560]

Try engineering profiles?

 

This could be very interesting for testing and demonstration toys. But I wouldn't do it for functional parts in equipment. The balls are very likely to go sliding instead of rolling, wear out soon, and even melt if printed in PLA.