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Review on πŸ’ͺ High-Performance 200Mm 8Mm Support Bearings Flexible Couplings for Precision Applications by Brett Morrison

Revainrating 5 out of 5

Much better quality than I expected

Linear bearings run smoothly and are driven by a stepper motor. The screw has four threads, so it turns pretty fast. I use a NEMA 17 stepper motor to drive it and at 200 steps per revolution it moves the "table" that I attached by 1/25 millimeters with each step. The only thing that could be used in this set is a couple of cross bars that all the pieces could be attached to. You can also use eight more M4 x0.7 screws.

Pros
  • Lead screw 8mm (200mm)
Cons
  • Not sure