Feedthrough Model: USS-250-SLKB
Part Number: 134091
Ferrotec’s Ferrofluidic seal Feedthrough Model USS-250-SLKB (part number 134091) is a member of Ferrotec’s Flange Mount Feedthroughs. The USS-250-SLKB 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 USS-250-SLKB vacuum rotary feedthrough features a Solid shaft with KF Flange mounting. Dimensional details are specified below. For precision measurement specifications, refer to the Spec Control Drawing.
Ferrotec Part Number 134091 Dimension Specification Drawing
Specifications for Ferrotec Part Number 134091
Simply Supported (vac+atm sides)
|Shaft (or bore) Diameter with tolerance||0.2497 in|
|Shaft termination||.030d x .40L (flat) in|
|Shaft extension (Vac)||1.13 in|
|Overall length||3.39 in|
|Housing overall length||1.4 in|
|Housing diameter||1 in|
|Body length||1.28 in|
|Flange diameter||1.57 in|
|Flange thickness||0.12 in|
|Flange Type||KF Flange|
|Bearing load cap||305 Pounds|
|Bearing dynamic load capacity||575 Pounds|
|Bearing Dim A||1.36 in|
|Bearing Dim B||0.97 in|
|Shaft Torque Capacity||50 in-lb|
|Starting Torque 100rpm *||4 in-oz|
|Running Torque 100rpm **||2.5 in-oz|
|Starting Torque 1000rpm *||6 in-oz|
|Running Torque 1000rpm **||3 in-oz|
|Limiting Speed [rpm]||10000|
|Availability:||Normally in stock.|
* 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 USS-250-SLKB, Part Number 134091
If you have questions about pricing and availability, need more information about Ferrotec's USS-250-SLKB 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 USS-250-SLKB, Part Number 134091 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 USS-250-SLKB
Use this form to submit your USS-250-SLKB (part number 134091) inquiry directly to Ferrotec. If you have special requirements or need specific customizations, please include the details in your description.
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