Ferrofluidic Seals

Shaft	Hollow Shaft
Shaft Support:	Cantilevered (both on atm side)
Ferrofluid	Reactive Gas
Mounting	Ferro Flange
Features:	Sleeve Water-cooled Electrical Isolation (Sleeved Bore)"
Dimensions:
Shaft (or bore) Diameter with tolerance	1.252  in
Shaft extension (Vac)	0.15 in
Overall length	6.09 in
Housing overall length	4.5 in
Housing diameter	4.25  in
Body length	4.12 in
Recommended shaft diameter	1.25
Flange diameter	7 in
Flange thickness	0.38 in
Fitting locations	.816, 1.280 in
Mounting holes	.750, 4x on 5.500 b.c. in
Face seal O-ring	2-244

Bearing Specifications:
Bearing type/material	7009
Bearing Dim A	2.99 in
Bearing Dim B	0.63 in
Performance Characteristics:
Starting Torque 100rpm *	397 in-oz
Running Torque 100rpm **	234 in-oz
Starting Torque 1000rpm *	721 in-oz
Running Torque 1000rpm **	360 in-oz
Limiting Speed [rpm] ***	2370
Note: * 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. *** Water cooling may permit significantly higher speed. Consult your Field Engineer. 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 HS-1250-CFFBWPS, Part Number 107427

If you have questions about pricing and availability, need more information about Ferrotec's HS-1250-CFFBWPS 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 HS-1250-CFFBWPS, Part Number 107427 is a standard model vacuum rotary feedthrough. Ferrotec can also customize a Hollow shaft vacuum rotary feedthrough to match your specific application requirements. Please contact Ferrotec for more information.

Please Contact Me Regarding Ferrotec Model Number HS-1250-CFFBWPS

Use this form to submit your HS-1250-CFFBWPS (part number 107427) inquiry directly to Ferrotec. If you have special requirements or need specific customizations, please include the details in your description.