2pcs 500mm hgr20 linear guide rail with 4 bearing block, 1pcs 500mm sfu1204 ball screw with metal deflector ball screw nut built for smooth motion, steady alignment, and clean installs for CNC, automation, and replacement jobs, 2-pack with

2Pcs 500Mm Hgr20 Linear made for smooth installs and clean fit
✔️ 2pcs 500mm hgr20 linear guide rail with 4 bearing block, 1pcs 500mm sfu1204 ball screw with metal deflector

This 2 pack is meant for clean replacement or upgrade work where fit and smooth operation matter.

✅ Complete linear rail kits: this linear guide rail is of 2pcs 500mm hgr20 linear guides kit and 1pcs 500mm sfu1204 ballscrew kit.
✅ 500mm hgr20 linear guides kit: 2* hgr20 500mm rail shafts，4 * hgh20ca blocks
✅ Sfu1204 500mm ballscrew kit: end machined ballscrew sfu1204 500mm l with nut+bk10/bf10+ball nut housing+coupler
✅ Details: complete linear rail kits:this linear guide rail is of 2 * 500mm hgr20 linear guides kit and 1 * 500mm sfu1204 ballscrew kit.
✅ Pack size: 2

💡 How do you prevent ballscrew whip on long travel CNC machines?
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.