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 24)

24 Warner Electric • 800-825-9050 P-208 • 819-0367
4.937
7.843
6.875
3.250 Min.
4.125 Max.
D
1/4-20 UNC-3B (4) holes
equally spaced on
15.000 dia. and within
.004 of true position.
B B
.718
1/2-14 NPSM Am. Std. straight
pipe tap (2) holes 180 apart.
Section B-B
45
MB-1225 Motor Brake–Heavy Duty Flange Mounted
Shaft Size .750 – 2.687
Static Torque 260 lb. ft.
Maximum Speed 3,000 rpm
Standard Voltage D.C. 90
All dimensions are nominal unless
otherwise noted.
NEMA Frame Sizes Dim. D
284UC & 286UC 7
324UC & 326UC 8
364UC & 365UC 9
Installation
5.296
Max.
2.812
5/16-18 UNC-3B
(8) holes equally
spaced on
13.000 dia.*
1/2-13 UNC-2A
(4) holes equally
spaced on 9.000
dia.*
5/8-16 UNC-2A
(4) holes equally
spaced on
11.000 dia.*
.110
3.250
Min.
4.062
Max.
14.125
Dia.
.062
15.703
Max. Dia.
10.509
10.501
Pilot Dia.
12.509
12.501
Pilot Dia.
.093
* Mounting holes are within .006 of true position.