Warner Electric SF-1000 Flange Heavy Duty Mounted

  • SF Series
  • Model Size: sf-1000
  • Voltage: 6/24/90 VDC
  • Static Torque: 240 lb.ft.
  • Max RPM: 3,600 rpm
  • Shaft Size: .500 – 2.000

The SF design eliminates collector rings and brush-holder. Ideal for adverse environmental conditions. Mounting tolerances are generally more critical than the PC design.


Model NameSF-1000 Flange Heavy Duty Mounted
FunctionStationary Field Clutch
Shaft Size.500 – 2.000
Static Torque240 lb. ft.
Max. RPM3,600 rpm
Standard VoltageDC 6, 24, 90
Outside Diameter10.5 Inches
Overall Length3.25 Inches
Manufacturer DrawingI-25581


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 SF-1000 FM HD Users Manual / Installation Instructions
Quick InformationWarner Electric SF-1000 FM HD – Duty Quick Info


(Please provide the following with your quote request)

1. Specify Bore Size for Item 6.
2. Specify Voltage for Item 9A or 9B.
3. Specify Inside Mounted for Items 8A and 9A or Outside Mounted for Items 8B and 9B.
4. See Controls Section.


SF-1000 Clutch Coupling, Heavy Duty per I-25581 – 90 Volt, Inside Mounted, 1-1/4” Bore (Item 6)

Warner Electric SF 1000 FM HD

Warner MB Series Controls


SF-1000 Flange Mounted Parts List
Heavy Duty
ItemDescriptionPart NumberQty.
1Splined Hub540-01471
2Mounting Accessory5202-101-0011
3Armature & Splined Adapter5202-111-0011
3-2Splined Adapter104-00091
3-3Autogap Accessory5322-101-0041
4Mounting Accessory5201-101-0071
Standard Friction Material5202-751-003
Optional LK Facing5202-751-007
6Bushing, Taperlock*180-0155 to 180-01791
7Rotor Hub540-03151
8AMounting Accessory, I.M.5321-101-0011
8BMounting Accessory, O.M.5321-101-0022
9AField, Inside Mounted1
6 Volt5202-451-004
24 Volt5202-451-006
90 Volt5202-451-007
4-4Retainer Ring748-01111
4-6Retainer Ring748-00161
5Bushing*180-0002 to180-00181
6Conduit Box5200-101-0121
4-8Buttonhead Capscrew797-12616
4-9Ring Adapter748-10471
4-11Socket Head Capscrew797-04246
5Conduit Box5200-101-0121
9BField, Outside Mounted1
6 Volt5202-451-011
24 Volt5202-451-013
90 Volt5202-451-014
10Conduit Box5200-101-0121