This document provides specifications for the Warner Electric SF-1000 Bearing Mounted Heavy Duty Clutch. The clutch has a shaft size range of 0.5-2 inches, a static torque of 240 lb-ft, and can operate at speeds up to 2,500 rpm. It uses DC voltages of 6, 24, or 90. Dimensions and part numbers are provided for the various components. Maintenance requirements and ordering information are also listed.

1. Clutch Heavy Duty
SF-1000 Bearing Mounted
.875
.343
.397/.388 dia. 3 holes
(hub) equally spaced on
3.187 dia. and within
.003 of true position
relation to 4.001/3.999
50
.437
Shaft Size .500 – 2.000
Static Torque 240 lb.ft.
Maximum Speed 2,500 rpm
Standard Voltage D.C. 6, 24, 90
.397/.388 dia. 3 holes (hub) equally spaced
on 3.187 dia. and within .003 of true position
relation to 4.001/3.999 pilot dia.
ARMATURE VIEW
3.750
FIELD VIEW
2.562
pilot dia.
Removable plug in
ends of 1/2" conduit.
7.687
See page 252 for details
on Bushings.
45°
6.125
Customer Shall Maintain:
1. Armature hub pilot diameter to be concentric with field and
rotor mounting shaft within .010 T.I.R.
1.375
1.250
.843 Dia.
.125
1.375
.187
6.531
3/8-16
UNF-2A
1.421
.093
Max. Length of
Customer Pilot.
4.281
Max.
.500
.062
2.062
10.328
Max.
Dia.
6.000
Dia.
4.001
3.999
Dia.
2.562
Dia.
1.546
All dimensions are nominal unless
otherwise noted.
Information on inertia and weights
begins on page 239. Coil data is on
pages 250 and 251.
® U
L
Sold & Serviced By:
ELECTROMATE
Toll Free Phone (877) SERVO98
Toll Free Fax (877) SERV099
www.electromate.com
sales@electromate.com

2. Heavy Duty Clutch
SF-1000 Bearing Mounted
51
4-9
4-10
How to Order:
1. Specify Bore Size for Item 5.
2. Specify Voltage for Item 4.
3. See Controls Section.
Example:
SF-1000 Clutch per I-25597 - 90 Volt, 1" Bore
These units, when used in conjunction with the correct
Warner Electric conduit box, meet the standards of UL508
and are listed under guide card #NMTR, file #59164.
These units are CSA certified under file #LR11543.
Item Description Part Number Qty.
1 Splined Hub 540-0147 1
2 Accessory, Mounting 5202-101-001 1
3 Armature & Adapter Assembly 5202-111-001 1
3-1 Armature 5322-111-036 1
3-2 Splined Adapter 104-0009 1
3-3 Autogap Accessory 5322-101-004 1
3-4 Screw 797-0341 3
3-5 Locknut 661-0004 3
3-6 Spacer 748-0333 3
4 Field & Rotor Assembly 1
6 Volt 5202-452-012
24 Volt 5202-452-014
90 Volt 5202-452-015
4-1 Rotor 1
Standard Friction Material 5202-751-003
†Optional LK Facing 5202-751-007
4-2 Field & Bearing Assembly 1
6 Volt 5202-451-040
24 Volt 5202-451-042
90 Volt 5202-451-043
4-3 Retainer Ring 748-0116 1
Item Description Part Number Qty.
4-4 Ball Bearing 166-1046 1
4-5 Retainer Ring 748-0582 1
4-6 Rotor Hub 540-1300 1
4-7 Buttonhead Capscrew 797-1261 6
4-8 Ring Adapter 748-1047 1
4-9 Lockwasher 950-0359 6
4-10 Socket Head Capscrew 797-0422 6
5 Bushing* 180-0155 to 180-0179 1
6 Conduit Box 5200-101-012 1
1 2
3
(Shipped Assembled)
3-4
3-2
3-3
3-6
3-5
5
4-6
4-1
4-7
4-8
4-2
4
(Shipped Assembled)
6
4-3
4-4
4-5
3-1
Drawing I-25597
*See page 252 for specific part numbers.
Refer to Service Manual P-215.
†Optional LK facing available. For more information, see
page 232.
Sold & Serviced By:
ELECTROMATE
Toll Free Phone (877) SERVO98
Toll Free Fax (877) SERV099
www.electromate.com
sales@electromate.com