Feedthrough Model: STL-020-NN
Part Number: 120237
Product Description
Ferrotec’s Ferrofluidic seal Feedthrough Model STL-020-NN (part number 120237) is a member of Ferrotec’s Thread Mounted Feedthroughs. The STL-020-NN vacuum rotary feedthrough uses Ferrotec’s standard hydrocarbon-based ferrofluid, specifically optimized for introducing rotary motion with a magnetic liquid hermetic seal in most Standard environments.
The STL-020-NN vacuum rotary feedthrough features a Solid shaft with Cartridge Seal mounting. Dimensional details are specified below. For precision measurement specifications, refer to the Spec Control Drawing.
Ferrotec Part Number 120237 Dimension Specification Drawing

Product Specifications
Specifications for Ferrotec Part Number 120237
Shaft | Solid Shaft |
Shaft Support: |
Simply Supported (vac+atm sides) |
Ferrofluid | Standard |
Mounting |
Cartridge Seal Mounting Nut and Washer Included |
Dimensions: |
|
Shaft termination | 6w x3.5dx 25L (keyway) mm |
Shaft extension (Vac) | 55 mm |
Overall length | 211 mm |
Housing overall length | 121 mm |
Housing diameter | 63 mm |
Body length | 82 mm |
Thread diameter | 30 mm |
Thread pitch [tps] or [mm/thd] (metric) | 1.5 [mm/thd] |
Bearing Specifications: |
|
Bearing type/material | 6005/SUS440C |
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|
Performance Characteristics: |
|
Shaft Torque Capacity | 108.5 N-m |
Notes | Bearing similar to ISO 1.4125. |
Note: General vacuum seal specifications can be found on Ferrotec’s Standard Feedthrough Common Specifications page. For an explanation of Ferrotec’s flange mounting terminology, consult Ferrotec’s Flange Mount Options page. |
Ordering Information for Model STL-020-NN, Part Number 120237
If you have questions about pricing and availability, need more information about Ferrotec's STL-020-NN rotary feedthroughs, or if you have other Ferrofluidic seal requirements, you can submit your request using the form below or contact your Ferrotec representative directly »
Special Orders, Modifications, and Customized Solutions for Unique Applications
Model STL-020-NN, Part Number 120237 is a standard model vacuum rotary feedthrough. Ferrotec can also customize a Solid shaft vacuum rotary feedthrough to match your specific application requirements. Please contact Ferrotec for more information.
Please Contact Me Regarding Ferrotec Model Number STL-020-NN
Use this form to submit your STL-020-NN (part number 120237) inquiry directly to Ferrotec. If you have special requirements or need specific customizations, please include the details in your description.
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