Warner Electric Primary Brake Pin Drive Armature PB-825, PB-1000, PB-1225, PB-1525 Motor Brake and Spline Drive MB-825, MB-1000, MB-1225 Pin Drive - Manual (Page 20)

20 Warner Electric • 800-825-9050 P-208 • 819-0367
MB-825 Motor Brake–Heavy Duty Flange Mounted
1/4-20 UNC-3B (4) holes
equally spaced on
10.750 dia. and within
.004 of true position.
B B
.437
45
1/2-14 NPSM Am. Std. straight
pipe tap (2) holes 180 apart.
Section B-B
4.187
5.750
4.812
2.250 Min.
3.500 Max.
D
Installation
10.000
Dia.
5/16-18 UNC-3B
(8) holes equally
spaced on 8.875 dia.*
4.359
Max.
2.687
1/2-13 UNC-2A (4)
holes equally spaced
on 7.250 dia.*
.062
2.250
Min.
3.375
Max.
8.509
8.501
Dia.
.156
11.515
Max. Dia.
* Mounting holes are within .006 of true position.
NEMA Frame Sizes Dim. D
213C & 215C 5.250
254UC & 256UC 6.250
Shaft Size .500 – 1.500
Static Torque 80 lb. ft.
Maximum Speed 4,000 rpm
Standard Voltage D.C. 90
All dimensions are nominal unless
otherwise noted.