SFU2005 19.69" / 500mm Anti Backlash Nut 20mm Linear Motion Ball Screws Kit, Ballscrew Nut + BK15 Bearing Block / BF15 + Coupler + Nut Housing + Motor Mount for Nema 23 Stepper for CNC Set for CNC axis motion, anti-backlash setup, and smoother

Sfu2005 500Mm Anti Backlash 1-pack built for smooth installs and solid results
✔️ SFU2005 19.69" / 500mm Anti Backlash Nut 20mm Linear Motion Ball Screws Kit, Ballscrew Nut + BK15 Bearing

This 1 pack is meant for clean replacement or upgrade work where fit and smooth operation matter.

✅ The package includes: C7 Grade SFU2005 19.69 inch / 500mm ball screw + nut + motor ballscrews bearing kit ( BK15 fixed block end support + nema 23 stepper motor mount bracket with locknuts and circlips ) + BF15 floated end support + Nut Housing + Flexible coupler coupling (The coupler bore for the motor shaft is 8mm in default, we can process other diameter as your need)
✅ The RM2005 ballscrews diameter: 20mm
✅ Pitch / Lead: 5mm
✅ Total length: 19.69 inch / 500mm
✅ the thread length is as total length - 73mm, and the travel length is as total length - 73mm - 42mm - 10mm, we can provide any length and customization process the end and other parts as you need

💡 What lubrication setup helps a ballscrew run smoother at higher speeds?
Quick answer: match pitch, travel length, and support style to your axis load and speed.
* Pitch controls feed rate and torque demand
* Proper end supports keep alignment tight under load
* Good lubrication cuts heat and wear over time

Built to keep motion smooth and accuracy steady during long production runs.