Nema 17 Stepper Motor Mount with integrated Axial Thrust Bearing for CNC Machines

42mm tall Nema 17 Stepper Motor Mount with integrated Axial Thrust Bearing for CNC Machines
4
40
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500
updated May 31, 2024

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Just a simple Nema 17 Stepper Motor Mount with integrated Axial Thrust Bearing for CNC Machines. 

The Axial Thrust bearing supports the flexible coupler and allows you to use a locking collar on the other end of the lead screw to help prevent backlash and lead screw movement. 

NOTES: 

  • This design assumes the following:
    • The Stepper motor shaft is 15mm long (I cut mine down from 20mm to save a little space).
    • The flexible coupler is 25mm tall
  • If your motor mounting surface is 15mm thick, you'll need M3 x 60mm bolts
  • Stepper motors can get quite warm - I recommend this mount be printed in ASA or ABS.
  • Use 40% Cubic infill with 4 walls and 5 top/bottom layers.
  • The required bearing is an Axial Thrust Bearing 9X20X7mm (F9-20M) - I recommend you apply a small amount of grease to the bearings on both sides before installation.

 

eg AT Thrust Bearing 9x20x7mm (F9-20M)

CAD File is included for remixing.

 

 

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