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 Name SF-250 Bearing Mounted
Function Stationary Field Clutch
Static Torque 70 lb.in.
Max. RPM 7,500 rpm
Standard Voltage DC 6, 24, 90
Outside Diameter 2.75 Inches
Overall Length 3.5 Inches
Manufacturer Drawing I-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
Catalog Warner Electric Basic Design Clutches Brakes Catalog
Users Manual / Installation Instructions Warner Electric SF-250 BM Users Manual / Installation Instructions
Quick Information Warner 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
Item Description Part Number Qty.
1 Armature Hub 1
3/8″ Bore 5124-541-002
1/2″ Bore 5124-541-003
5/8″ Bore 5124-541-005
2 Release Spring Optional 5103-101-003 1
3 Armature 5124-111-001 1
4 Field and Rotor Assembly 1
6 Volt – 3/8″ Bore 5103-452-002
24 Volt – 3/8″ Bore 5103-452-004
90 Volt – 3/8″ Bore 5103-452-007
6 Volt – 1/2″ Bore 5103-452-016
24 Volt – 1/2″ Bore 5103-452-018
90 Volt – 1/2″ Bore 5103-452-021
4-1 Rotor 1
3/8″ Bore 5103-751-014
1/2″ Bore 5103-751-016
4-2 Retainer Ring 748-0371 2
4-3 Ball Bearing 166-0108 1
4-4 Field 1
6 Volt 5103-451-018
24 Volt 5103-451-020
90 Volt 5103-451-023
4-4-1 Terminal Accessory 5103-101-002 1
4-5* Set Collar 266-0005 1