Feedthrough Model: SS-250-SLBE
Part Number: 103982


Product Description

Ferrotec’s Ferrofluidic seal Feedthrough Model SS-250-SLBE (part number 103982) is a member of Ferrotec’s Nut-Mount Feedthroughs. The SS-250-SLBE 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 SS-250-SLBE vacuum rotary feedthrough features a Solid shaft with Nut Mounted (threaded body) mounting. Dimensional details are specified below. For precision measurement specifications, refer to the Spec Control Drawing.

Ferrotec Part Number 103982 Dimension Specification Drawing

Feedthrough Model SS-250-SLBE (part number 103982) dimensional specifications drawing

Feedthrough Model SS-250-SLBE (part number 103982) image

Product Specifications

Specifications for Ferrotec Part Number 103982

Shaft Solid Shaft
Shaft Support: Simply Supported (vac+atm sides)
Ferrofluid Standard
Mounting Nut Mounted (threaded body)
Mounting Nut and Washer Included

Shaft (or bore) Diameter with tolerance 0.2498  in
Shaft termination .030d x .75L (flat) in
Shaft extension (Vac) 0.757 in
Overall length 3.437 in
Housing overall length 1.93 in
Housing diameter 1  in
Body length 1.68 in
Thread diameter 1 in
Thread pitch [tps] or [mm/thd] (metric) 20 [tps]
Thread length 1.5 in
Recommended mounting bore 1.025 
Flange diameter 1.625 in
Flange thickness 0.25 in
Flange wrench flat 1.5 in
Face seal O-ring 2-215

Bearing Specifications:
Bearing type/material SR4
Bearing Dim A 1.3 in
Bearing Dim B 1.17 in
Solid Shaft bearing dimensional specifications reference drawing

Performance Characteristics:
Shaft Torque Capacity 15.5 in-lb
Starting Torque 100rpm * 0.19 in-oz
Running Torque 100rpm ** 0.11 in-oz
Starting Torque 1000rpm * 0.34 in-oz
Running Torque 1000rpm ** 0.17 in-oz
Limiting Speed [rpm] 10000
Notes shaft length can be modified easily
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 SS-250-SLBE, Part Number 103982

If you have questions about pricing and availability, need more information about Ferrotec's SS-250-SLBE 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 SS-250-SLBE, Part Number 103982 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 SS-250-SLBE

Use this form to submit your SS-250-SLBE (part number 103982) inquiry directly to Ferrotec. If you have special requirements or need specific customizations, please include the details in your description.

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