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Gear Specifications

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Specification Figure 1   Specification Figure 2
Figure 1 Figure 2
ALL DIMENSIONS ARE IN INCHES

20° PRESSURE ANGLE · 32 PITCH · FACE WIDTH: F = 3/16
No.
Teeth		 Part
No.		 DIMENSIONS
Pitch
Diameter
1P.D.		 Outside
Diameter
1D.		 Nominal
2A B C E G Figure
8 GC081 0.2500 0.313 3/32 0.162     0.375 1
10 GC102 0.3125 0.375 1/8 0.225     0.375 1
12 GC123 0.3750 0.438 3/16 0.285     0.375 1
14 GC143 0.4375 0.500 3/16 0.312     0.375 1
15 GC153 0.4688 0.531 3/16 0.312     0.375 1
16 GC164 0.5000 0.563 1/4 0.375     0.375 1
18 GC184 0.5625 0.625 1/4 0.375     0.375 1
20 GC204 0.6250 0.688 1/4 0.375     0.375 1
22 GC224 0.6875 0.750 1/4 0.375 0.480 0.093 0.375 2
24 GC244 0.7500 0.813 1/4 0.375 0.543 0.093 0.375 2
26 GC264 0.8125 0.875 1/4 0.375 0.605 0.093 0.375 2
28 GC284 0.8750 0.938 1/4 0.375 0.668 0.093 0.375 2
30 GC304 0.9375 1.000 1/4 0.375 0.730 0.093 0.375 2
32 GC324 1.0000 1.063 1/4 0.437 0.793 0.093 0.437 2
36 GC364 1.1250 1.188 1/4 0.437 0.918 0.093 0.437 2
40 GC404 1.2500 1.313 1/4 0.437 1.042 0.093 0.437 2
44 GC444 1.3750 1.438 1/4 0.437 1.168 0.093 0.437 2
48 GC484 1.5000 1.563 1/4 0.437 1.293 0.093 0.437 2
52 GC524 1.6250 1.688 1/4 0.437 1.418 0.093 0.437 2
56 GC564 1.7500 1.813 1/4 0.437 1.543 0.093 0.437 2
60 GC604 1.8750 1.938 1/4 0.437 1.668 0.093 0.437 2
64 GC644 2.0000 2.063 1/4 0.437 1.793 0.093 0.437 2
1 Pitch diameter and outside diameter tolerance: +.000 -.010
2 Hole A is for press fit on shaft size indicated. Consult factory for other shaft sizes.


20° PRESSURE ANGLE · 48 PITCH · FACE WIDTH: F = 1/8
No.
Teeth		 Part
No.		 DIMENSIONS
Pitch
Diameter
1P.D.		 Outside
Diameter
1D.		 Nominal
2A B C E G Figure
10 GF101 0.2083 0.250 3/32 0.152     0.312 1
12 GF122 0.2500 0.292 1/8 0.194     0.312 1
14 GF142 0.2916 0.333 1/8 0.235     0.312 1
15 GF152 0.3125 0.354 1/8 0.25     0.312 1
16 GF162 0.3333 0.375 1/8 0.25     0.312 1
18 GF183 0.3750 0.417 3/16 0.312     0.312 1
20 GF203 0.4166 0.458 3/16 0.312     0.312 1
22 GF223 0.4583 0.500 3/16 0.312     0.312 1
24 GF244 0.5000 0.542 1/4 0.375     0.312 1
26 GF264 0.5416 0.583 1/4 0.375     0.312 1
30 GF304 0.6250 0.667 1/4 0.375 0.477 0.081 0.312 2
32 GF324 0.6666 0.708 1/4 0.375 0.518 0.081 0.312 2
36 GF364 0.7500 0.792 1/4 0.375 0.602 0.081 0.312 2
40 GF404 0.8333 0.875 1/4 0.375 0.685 0.081 0.312 2
44 GF444 0.9166 0.958 1/4 0.375 0.768 0.081 0.312 2
48 GF484 1.0000 1.042 1/4 0.437 0.852 0.081 0.375 2
54 GF544 1.1250 1.166 1/4 0.437 0.976 0.081 0.375 2
60 GF604 1.2500 1.292 1/4 0.437 1.102 0.081 0.375 2
66 GF664 1.3750 1.416 1/4 0.437 1.226 0.081 0.375 2
72 GF724 1.5000 1.542 1/4 0.437 1.352 0.081 0.375 2
84 GF844 1.7500 1.792 1/4 0.437 1.602 0.081 0.375 2
96 GF964 2.0000 2.042 1/4 0.437 1.852 0.081 0.375 2
100 GF1004 2.0833 2.125 1/4 0.437 1.935 0.081 0.375 2
1 Pitch diameter and outside diameter tolerance: +.000 -.010
2 Hole A is for press fit on shaft size indicated. Consult factory for other shaft sizes.

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