20Mm SFU2005 Anti Backlash Ballscrew Kit Beefed Up With RM2005 500Mm Length 5Mm Pitch Ball Screw Metal Nut BK BF15 Bearing End Supports Flexible Coupler For CNC Machines
✔️ 20mm dia ball screw, 500mm (19.69") length, 5mm lead
This is a 20mm diameter anti-backlash ball screw kit with RM2005 nut and BK15/BF15 end supports, designed for CNC machines, 3D printers, and precision automation where smooth, accurate linear motion is key. Each kit includes the ball screw, metal deflector nut, end supports, and a flexible coupling to fit common motors.
✅ Ball screw diameter 20mm; lead 5mm; total length 500mm (19.69")
✅ Precision grade C7 (C5 on request) with rolled thread and GCr15 steel
✅ End supports BK15/BF15 with locknuts and circlips; deep groove bearing
✅ RM2005 nut + metal deflector included; flexible coupling with 8mm bore
✅ Low friction, reduced noise, minimal stick-slip; high static/dynamic stiffness
💡 What is a ball screw kit used for in CNC machines and precision equipment?
A handy overview of why this kit matters in motion control:
- Aids precise rotary-to-linear motion with low friction and backlash control
- Improves accuracy and repeatability on CNC axes and high-precision tooling
- Allows customization: lengths, end machining, and different bearing options