Warner Electric SFC-170 Flange Mounted

  • SFC Series
  • Model Size: SFC-170
  • Voltage: 6/24/90 VDC
  • Static Torque: 15 lb. in.
  • Max RPM: 5000 rpm

The SFC Series clutch couplings employ the same basic components as the SF design except for a splined hub and adapter which serves as a coupling for in-line shaft applications.


Model NameSFC-170 Flange Mounted
FunctionStationary Field Clutch Coupling
Rotor Bore Dia..188/.187 .251/.250 .313/.312
Armature Bore Dia..188/.187 .251/.250 .313/.312
Keyway.062 x .031 / .093 x .046
Static Torque15 lb.in.
Max. RPM5,000 rpm
Standard VoltageDC 6,24, 90
Outside Diameter1.75 Inches
Overall Length1.25 Inches
Manufacturer DrawingI-25756


Custom design brakes and clutches are user-assembled from standard components for optimum performance in the smallest possible package size.

  • Easily adaptable to any mounting requirement
  • Low initial cost
  • Wide range of models and options


pdf icon 1
CatalogWarner Electric Basic Design Clutches Brakes Catalog
Users Manual / Installation InstructionsWarner Electric SFC-170 BM Users Manual / Installation Instructions
Quick InformationWarner Electric SFC-170 BM Quick Info


(Please provide the following with your quote request)

1. Specify Type of Armature Desired.
2. Specify Bore Size for Item 1A-1 or 1B and Item 2.
3. Specify Voltage for Item 4.
4. See Controls Section.


SFC-170 Clutch per I-25756 – 90 Volt, Antibacklash Armature, 1/4” Armature Hub Bore, 1/4” Rotor Bore

Warner Electric SFC Series 170

Warner MB Series Controls


SFC-170 Flange Mounted Parts List
ItemDescriptionPart NumberQty.
1AArmature and Hub
1A-1Armature Hub1
1/4″ Bore5102-541-002
5/16″ Bore5102-541-003
3/8″ Bore5102-541-004
1A-3Release Spring808-00191
1BAntibacklash Armature1
1/4″ Bore5623-111-008
5/16″ Bore5623-111-009
3/8″ Bore5623-111-010
1/4″ Bore5603-751-028
5/16″ Bore5603-751-029
3/8″ Bore5603-751-030
3Mounting Accessory5102-101-0011
6 Volt5603-451-047
24 Volt5603-451-049
90 Volt5603-451-051