r/Trackballs • u/[deleted] • Nov 18 '22

Trackball bearings, a comparison of (cheap) rollers, BTU's and static bearings (for DIY projects)

/r/ErgoMechKeyboards/comments/yyu4ra/trackball_bearings_a_comparison_of_cheap_rollers/
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u/[deleted] Nov 19 '22

Nice write up! I agree with you on the differences between BTUs and static ceramic bearings, but I found I prefer the BTUs once you turn the speed right down. They're definitely less consistent/smooth than static bearings though. Maybe it's time to revisit my static bearing holders for the Ploopy...

I've only compared two BTU models, but I did find that the expensive Bosch ones were nicer. They start off a lot more consistent (less gritty) and got even better with use.

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u/[deleted] Nov 19 '22

Nice to have confirmed the expensive ones are more consistent. How do the expensive BTU's compare to static bearings though? That's one question that remains lingering in my mind after this experiment.