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SERIES C<br />
DIMENSIONS<br />
TRIPLE REDUCTIONS<br />
w7<br />
q<br />
k1<br />
q1<br />
* k0<br />
o<br />
e1<br />
o<br />
Cover<br />
h1<br />
* g6<br />
* g<br />
a1<br />
* For Motor Dimensions refer to<br />
The For Motor<br />
∗ Motor Details Dimensions page 18 refer to<br />
the Motor Details page<br />
Setscrew<br />
w3<br />
OD<br />
h2<br />
b1<br />
f0<br />
b0<br />
y<br />
p4<br />
4 Holes: 'S'<br />
a2<br />
b<br />
c1<br />
4 Holes: 'S'<br />
m1<br />
m2<br />
m3<br />
m<br />
m<br />
U<br />
T<br />
Output Shaft Bore<br />
SIZE a1 a2 b b0 b1 c1 e1 f0 h1 h2 o p4 q q1<br />
C0331 2.13 1.38 2.48 3.15 1.57 0.35 2.76 5.47 1.21 3.13 2.44 5.83 2.13 4.29<br />
C0431 2.20 1.38 3.15 4.65 2.56 0.28 3.15 6.22 0.83 3.66 2.56 6.61 2.52 4.69<br />
C0531 2.68 1.77 3.94 5.59 3.03 0.63 3.39 6.97 0.91 4.41 2.76 7.87 2.68 5.28<br />
C0631 3.15 2.20 4.80 6.77 3.78 0.79 4.02 8.58 1.18 5.49 3.54 9.57 3.54 6.65<br />
SIZE s w7 y<br />
Hollow Output Bore<br />
D m m1 m2 m3 T U w3<br />
C0331 M8, 0.59 deep 2.76 5.51 0.75 2.05 4.88 4.09 0.80 0.84 0.188 1<br />
/ 4" UNF x 1.50<br />
C0431 M10, 0.79 deep 2.93 5.51 1.25 2.13 5.12 4.80 1.19 1.37 0.25 3<br />
/ 8" UNF x 2.00<br />
C0531 M10, 0.71 deep 3.11 5.51 1.375 2.20 5.51 5.00 1.39 1.53 0.313 1<br />
/ 2" UNF x 2.00<br />
C0631 M12, 0.79 deep 3.98 7.09 1.50 2.76 7.09 6.14 1.78 1.67 0.375 5<br />
/ 8" UNF x 2.75<br />
NEMA Motor<br />
Frame Size<br />
C0331 C0431 C0531 C0631<br />
k1 k1 k1 k1<br />
56c 11.18 11.97 12.72 15.35<br />
143Tc / 145Tc 11.18 11.97 12.72 15.35<br />
182Tc / 184Tc 10.87 11.65 12.40 15.04<br />
46
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