Akozon Ball Bearing 10Pcs Metal Shielded Deep Groove Ball Bearing Double Shielded Miniature Ball Bearing 5x8x2.5 mm MR85ZZ for 3D Printer and model making : Amazon.de: Business, Industry & Science
Friction performance of 3D printed ball bearing: Feasibility study - ScienceDirect
3D Printable Bearings That Actually Work, No CAD Tweaking Required | Hackaday
Richer-R 3D Printer Wheel Bearings, 100 CNC Wheel Pulley Pom with Ball Bearing, 5 mm Bore, Stainless Steel Ball Bearings Provides High Power for 3D Printers, l: Amazon.de: Business, Industry & Science
Big Slew Bearings Can Be 3D Printed | Hackaday
3D Printed Bearing: Tips & Tricks to 3D Print Your Own | All3DP