
YZXQ :: Ball Screw Nuts
SFE Series Large-Lead Ball Nuts
Large-lead nuts for fast traverse axes and high-speed positioning.
SFE1616-3 – SFE5050-6Overview
SFE nuts use a lead equal to or larger than the screw diameter, converting rotation into fast linear travel for traverse axes. The range covers 16 mm to 50 mm screws with 16 mm to 50 mm leads.
Key Features
- Large lead for fast travel
- Flanged and cylindrical options
- Screw diameters from 16 mm to 50 mm
- Internal recirculation
Technical Specifications
Reference dimensions per model — request the full datasheet

| Model | Shaft d (mm) | Lead (mm) |
|---|---|---|
| SFE1616-3 | 16 | 16 |
| SFE1616-6 | 16 | 16 |
| SFE1632-3 | 16 | 32 |
| SFE1632-6 | 16 | 32 |
| SFE2020-3 | 20 | 20 |
| SFE2020-6 | 20 | 20 |
| SFE2040-3 | 20 | 40 |
| SFE2040-6 | 20 | 40 |
| SFE2525-3 | 25 | 25 |
| SFE2525-6 | 25 | 25 |
| SFE2550-3 | 25 | 50 |
| SFE2550-6 | 25 | 50 |
| SFE3232-3 | 32 | 32 |
| SFE3232-6 | 32 | 32 |
| SFE3264-3 | 32 | 64 |
| SFE3264-6 | 32 | 64 |
| SFE4040-3 | 40 | 40 |
| SFE4040-6 | 40 | 40 |
| SFE5050-3 | 50 | 50 |
| SFE5050-6 | 50 | 50 |
Full datasheets with exact dimensions, load ratings and tolerances are available on request — contact us with your model list for the complete specification.
Material Options
- GCr15 nut body
- Bearing steel balls
- Polymer recirculation insert
Customization Options
- Preload class to drawing
- Custom flange drilling
- Wiper and seal kits
- Screw and support kit supply
RFQ
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Reference dimensions per model — request the full datasheet
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