Warner Electric SF-250 Bearing Mounted

  • SF Series
  • Voltage: 6/24/90 VDC
  • Static Torque: 70 lb.in.
  • Max RPM: 7,500 rpm
  • Shaft Size: .3750/.3745 -.6250/.6245
  • Armature Bore: .376/.375-.501/.500

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

SPECIFICATIONS

Model NameSF-250 Bearing Mounted
FunctionStationary Field Clutch
Static Torque70 lb.in.
Max. RPM7,500 rpm
Standard VoltageDC 6, 24, 90
Outside Diameter2.75 Inches
Overall Length3.5 Inches
Manufacturer DrawingI-25521

SERIES DESCRIPTION

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

CATALOG & MANUALS

pdf icon 1
CatalogWarner Electric Basic Design Clutches Brakes Catalog
Users Manual / Installation InstructionsWarner Electric SF-250 BM Users Manual / Installation Instructions
Quick InformationWarner Electric SF-250 BM Duty Quick Info

HOW TO ORDER

(Please provide the following with your quote request)

1. Specify Bore Size for Item 1 and Item 4.
2. Specify Voltage for Item 4.
3. See Controls Section.

Example:
SF-250 Clutch per I-25521 – 90 Volt 1/2” Armature Hub Bore 1/2” Rotor Bore

Warner Electric SF Series 250 BM

 

Warner MB Series Controls

 

SF-250 Bearing Mounted Parts List
ItemDescriptionPart NumberQty.
1Armature Hub1
3/8″ Bore5124-541-002
1/2″ Bore5124-541-003
5/8″ Bore5124-541-005
2Release Spring Optional5103-101-0031
3Armature5124-111-0011
4Field and Rotor Assembly1
6 Volt – 3/8″ Bore5103-452-002
24 Volt – 3/8″ Bore5103-452-004
90 Volt – 3/8″ Bore5103-452-007
6 Volt – 1/2″ Bore5103-452-016
24 Volt – 1/2″ Bore5103-452-018
90 Volt – 1/2″ Bore5103-452-021
4-1Rotor1
3/8″ Bore5103-751-014
1/2″ Bore5103-751-016
4-2Retainer Ring748-03712
4-3Ball Bearing166-01081
4-4Field1
6 Volt5103-451-018
24 Volt5103-451-020
90 Volt5103-451-023
4-4-1Terminal Accessory5103-101-0021
4-5*Set Collar266-00051