Bambu Lab X Axis Linear Rail (FAC014/FAC040) for A1 Series
Genuine Bambu Lab X-axis linear rail replacement for A1 series printers. A fresh rail can restore smooth toolhead travel and help reduce vibration-related print artifacts caused by wear or damage.
When to Replace
- Rough or noisy motion – Grinding, clicking, or inconsistent travel on X movement
- Play or binding – Toolhead feels loose or sticks during motion
- Print artifacts – Sudden ringing or inconsistent layer lines linked to X movement
- Physical damage – Bent rail, corrosion, or visible scoring
Compatibility
|
A1 Series: A1, A1 Mini
Note: Confirm your required axis/part number before ordering. |
Specifications
| Bambu Part Number | FAC014 / FAC040 |
| Function | X-axis linear rail assembly for smooth, precise toolhead motion on A1 series printers. |
Replacement guide: Bambu Lab A1 X-Axis Linear Rail Installation Guide








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