Feedthrough Model: SFL-020-NN
Part Number: 133569
Ferrotec’s Ferrofluidic seal Feedthrough Model SFL-020-NN (part number 133569) is a member of Ferrotec’s Flange Mount Feedthroughs. The SFL-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 SFL-020-NN vacuum rotary feedthrough features a Solid shaft with Ferro Flange mounting. Dimensional details are specified below. For precision measurement specifications, refer to the Spec Control Drawing.
Ferrotec Part Number 133569 Dimension Specification Drawing
Specifications for Ferrotec Part Number 133569
Simply Supported (vac+atm sides)
|Shaft (or bore) Diameter with tolerance||20 (-0.020/-0.041) mm|
|Shaft termination||6.0 w x 3.5 d x 32 L (keyway) mm|
|Shaft extension (Vac)||36 mm|
|Overall length||134 mm|
|Housing overall length||62 mm|
|Housing diameter||60 mm|
|Body length||52 mm|
|Flange diameter||114 mm|
|Flange thickness||10 mm|
|Mounting holes||8.5, 8 x 92.2mm mm|
|Bearing Dim A||51 mm|
|Bearing Dim B||37 mm|
|Shaft Torque Capacity||88.4 N-m|
|Starting Torque 100rpm *||39 N-mm|
|Running Torque 100rpm **||23 N-mm|
|Starting Torque 1000rpm *||70.8 N-mm|
|Running Torque 1000rpm **||35.4 N-mm|
|Limiting Speed [rpm]||8385|
|Notes||shaft length and flange geometry can be modified easily|
* See the Drag Torque section of the Determining your Requirements page for the definition of starting torque
** Values are for a feedthrough at room temperature. Under continuous rotation the unit will warm-up, and the running torque will decrease.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 SFL-020-NN, Part Number 133569
If you have questions about pricing and availability, need more information about Ferrotec's SFL-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 SFL-020-NN, Part Number 133569 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 SFL-020-NN
Use this form to submit your SFL-020-NN (part number 133569) inquiry directly to Ferrotec. If you have special requirements or need specific customizations, please include the details in your description.
Login to Download Files
Create a New Ferrotec Download Account
After registering, you will receive a temporary password via email to the address you specify. That email address will be your user name.