Warner Electric PB-120, PB-170, PB-250, PB-400 - Manual (Page 12)

12 Warner Electric • 800-825-9050 P-201
• 819-0485
PB-170 Brake
Shaft Sizes .250 – .375
Static Torque 15 lb. in.
Maximum Speed 10,000 rpm
Standard Voltage D.C. 6, 24, 90
Customer Shall Maintain:
1. Squareness of brake mounting face with
armature shaft within .006 T.I.R.
2. Concentricity of brake mounting pilot diameter
with armature shaft within .010 T.I.R.
Armature View
Magnet View
.062
.437
Max.
#8-32
UNC-3A
.752/.750
Pilot Dia.
.015 When New
.125 (Std.)
.109 (Anti.)
.625
.086 (Std.)
.094 (Anti.)
.015
Std.
Arm.
Anti.
Arm.
.843
.086 (Std.)
.094 (Anti.)
1.375 Max.
.812
.515
1.718
Max.
Dia.
12
Min.
.390
Antibacklash
Armature
Std. Armature
For Bore sizes
see chart below.
45°
.204/.187 dia. (4)
holes equally spaced
on 2.125 diameter*
2.437/2.435 Pilot Diameter
1.812 Max. Sq.
*Mounting holes are within .010 of true position relative to pilot
diameter.
Bore Dimensions
Armature
Bore Dia.
.251/.250
.313/.312
.376/.375