Update: Thanks to everyone who liked and supported this design. Your feedback inspired me to create a new and improved 608 bearing, and V2 is now available here: 608 Roller Bearing V2

Print-in-place 608 roller bearing with, if I may say so, very low friction for a printed part.

OLS Design — optimized tolerances for low friction, stability, and an almost zero chance of parts sticking. For the best performance, use grease lubricant.

P.S. If you like my work please like, rate or comment. This will help me to continue materializing my ideas in this new world for me. Happy printing!
You can check my other models HERE.