Warner Electric Electrically Released Brake ER-375, ER-475, ER-650 - Manual (Page 8)

8 Warner Electric • 800-825-9050 P-253 • 819-0315
ER-375, ER-475, ER-650
X dia. (Y) holes
equally spaced
on Z dia.
Mounting holes
are within 0.010
of true position
relative to
pilot diameter.
T
P
Removable
plug in
ends for
1/2" conduit
Q
R
U dia. (V) holes
equally spaced on W dia.
S
AA Pilot
M*
N**
L
C
H
AB AC
K
J*
F
G**
For Bore &
Keyway sizes
see chart below
E
D
A
B
*
**
Inside Mounting
Outside Mounting
Mounting Requirements
Customer Shall Maintain:
1. Squareness of brake mounting face with
armature hub shaft within .006 T.I.R.
2. Concentricity of brake mounting pilot diameter
with armature hub shaft within .010 T.I.R.
3. If magnet mounting surface is a magnetic
material, the magnet is to be insulated
approximately 1/2" from that surface with a
plate or spacers of non-magnetic material.
ER-375 available outside mounted only.
Bore and Keyway Dimensions
Size Bore Dia. Keyway
375 .501/.500 1/8 x 1/16
.626/.625 3/16 x 3/32
475 .500 - .562 1/8 x 1/16
.625 - .875 3/16 x 3/32
.937 - 1.000 1/4 x 1/8
650 .500 - .562 1/8 x 1/16
.625 - .875 3/16 x 3/32
1.000 - 1.250 1/4 x 1/8
1.312 - 1.375 5/16 x 5/32
All dimensions are nominal, unless otherwise noted.
Size A Max. B Max. C Max. D E F Max. G H Max. J K L M N P
375 4.078 2.583 2.583 .032 1.410 .600 5/16-18 — — 3.325 1.547 — — 3.750
UNC-3A
475 5.172 3.195 3.274 .031 1.630 .431 3/8-16 .390 8-32 3.875 1.547 1.354 1.236 3.750
UNC-3A
650 6.578 3.525 3.525 .032 1.880 .542 5/16-18 .542 5/16-18 4.800 1.547 — — 3.750
UNC-3A UNC-3A
Size Q Max. R S T Sq. U V W Dia. X Y Z Dia. AA Dia. AB AC
375 4.505 — 5.625 — .350 3 5.000 — — — — 23/32 1-3/4
5.623 .341
475 5.000 45° 6.500 5.000 .419 4 5.875 .208 8 2.375 2.065 29/32 1-3/16 I.M.
6.498 .403 .201 2.062 1-1/16 O.M.
650 5.844 45° 8.000 6.500 .358 4 7.250 .358 4 3.688 2.822 1-1/32 1-3/8
7.998 .338 .338 2.820