Machine requirements
For machines that use ER20 tooling and air cooling. Check that your drive supports 18,000 rpm rated and that the mounting dimensions fit: Housing Mount · 288.5 mm overall.

GDF SPINDLE · MANUAL
Housing Mount
The housing-mount version of GDF46-18Z/2.2 uses the same printed code as the base-mount version. Check that its housing and mounting holes match your machine.
MODEL SELECTION
For machines that use ER20 tooling and air cooling. Check that your drive supports 18,000 rpm rated and that the mounting dimensions fit: Housing Mount · 288.5 mm overall.
Compare the housing mounting holes and available support surfaces. The base-mount drawing must not be used to position this version.
The base-mount version is the closest code match, but its mounting structure is different.
Compare the differences →SPECIFICATIONS
This air-cooled spindle uses ER20 tooling. Power: 2.2 kW rated. Speed: 18,000 rpm rated. Installation dimensions and weight: 288.5 mm overall length, 7 kg weight. Winding options: 220 V / 7.8 A or 380 V / 4.4 A.
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| Output and duty | |
|---|---|
| Rated power (kW) | 2.2 |
| Rated speed (rpm) | 18,000 |
| Tooling and mounting | |
| Tool interface | ER20 |
| Tool change | Manual tool change |
| Mounting | housing mount |
| Electrical | |
| Frequency (Hz) | 300 |
| Dimensions and weight | |
| Overall length (mm) | 288.5 |
| Weight (kg) | 7 |
| Cooling and feedback | |
| Cooling | Air-cooled |
Match the voltage and current of the winding you intend to order.
INSTALLATION CHECKS
Start with the exact GDF46-18Z/2.2 configuration (housing mount). Compare the mounting drawing, nose clearance and connection locations with the existing installation. Check the collet, nut clearance and usable clamp area before reusing tooling or supports.

COMPARE RELATED SPINDLES
These models illustrate different interfaces and installation requirements. Check each drawing before choosing.
Scroll across to compare columns. Keyboard: focus the table area and use the left/right arrow keys.
| Model | Power / duty | Speed | Interface | Cooling | Key difference |
|---|---|---|---|---|---|
| GDF46-18Z/2.2Current configuration | 2.2 kW rated | 18,000 rpm rated | ER20 | Air-cooled | Housing Mount · 288.5 mm overall |
| GDF46-18Z/2.2 | 2.2 kW rated | 18,000 rpm rated | ER20 | Air-cooled | Base mount · 288.5 mm overall |
| GDF46-18Z/1.5 | 1.5 kW rated | 18,000 rpm rated | ER20 | Air-cooled | Base Mount · 258.5 mm overall |
| GDF80-24Z/2.2B | 2.2 kW rated | 24,000 rpm rated | ER20 | Air-cooled | Ø80 mm · 269.5 mm overall · 125 mm clamp |
| GDF65-24Z/0.8 | 0.8 kW rated | 24,000 rpm rated | ER11 | Air-cooled | Ø65 mm · 245 mm overall |
DOWNLOADS
No standalone PDF is listed for this configuration. Use the full-size drawing above and include any document requirements in your inquiry.
For CAD or additional installation drawings, include the exact model and configuration in your inquiry.
MODEL QUESTIONS
This configuration combines ER20 tooling, 18,000 rpm rated and Housing Mount · 288.5 mm overall. Keep the complete code and housing mount when comparing drawings.
Include the existing nameplate, mounting dimensions, required ER20 tooling, drive details and cooling arrangement. The base-mount version is the closest code match, but its mounting structure is different.
REQUEST A QUOTE
Share a model or describe what you need to match. Unknown technical details can be left blank.
Attach photographs or drawings in your email application.