Warner Electric SFC-120, SFC-170, SFC-250, SFC-400 Bearing Mounted, Flange Mounted - Manual (Page 42)

42 Warner Electric • 800-825-9050 P-200
• 819-0481
SFC-250 Clutch Coupling Bearing Mounted
Armature Shaft .375 – .750
Rotor Shaft .375 – .500
Static Torque 70 lb. in.
Maximum Speed 7,500 rpm
Standard Voltage D.C. 6, 24, 90
All dimensions are nominal unless otherwise noted.
Bore and Keyway Dimensions
Armature Keyway Rotor Keyway
Bore Dia. Bore Dia.
.375/.376 .093 x .046 .376/.375 .093 x .046
*.438/.437
.501/.500 .125 x .062 *.438/.437 .125 x .062
*.563/.562 .501/.500
.626/.625
*.688/.687 .187 x .093
.751/.750
* Available on special order only.
Customer Shall Maintain:
1. Armature shaft to be concentric with rotor shaft
within .003 T.I.R.
Armature View
Field View
1.187
(Std.)
.687 (Std.)
.687
(Std.)
.718
(Anti.)
.171
.062
.171 (Std.)
.187 (Anti.) .015 (Std.)
.015 (Anti.)
.343 Max.
.015 (Std.)
.015 (Anti.)
when new
.468
.171 +
.062 -0
1.390
(Anti.)
.718 (Anti.)
2.625
Max.
Dia.
1.437
1.125
.609
Dia.
1.312
2.156 (Std.)
2.171 (Anti.)
Antibacklash
Arm.
Std. Arm.
For Bore & Keyway sizes
see chart below.
1.750 Max.
.187 Dia.
.437
Max.
.500 12°
24°
45°
For Bore & Keyway sizes
see chart below.
.937
.187 1.562 Rad.