No. 50
No. 60
5 / 8 ” PITCH
3 / 4 ” PITCH
QD ®
PLAIN BORE
Chain Data Size
Chain Data Size
60
50
Pitch
3/4˝ 1/2˝
Pitch
5/8˝ 3/8˝
Inside Width
Inside Width
Roller Diameter
0.469˝ 0.459˝
Roller Diameter
0.400˝ 0.343˝
Nominal Tooth Width:
Nominal Tooth Width:
All dimensions in inches unless noted.
60 Plain Bore Sprocket Dia.
Type “A” Plain Bore
Type “B” Plain Bore
No. Teeth
Outside Diameter
Pitch Diameter
Caliper Diameter
Plain Bore
Wt. Lbs.
Plain Bore 0.625 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250
MAX Bore *
Hub Diameter 1.469 ¨ 1.563 ¨ 1.938 ¨ 2.063 ¨ 2.375 ¨
Hub Style
Wt. Lbs. 0.54 0.64 0.99 1.15 1.47 1.66 2.00 2.51 2.81 3.22 3.72 3.92 4.63 5.00 5.25 5.48 5.78 6.13 6.38 6.72 6.88 7.28 7.58 7.72 8.26 8.42 8.80 9.04 9.60 10.24 10.84 11.36 11.50 12.14 12.74 13.00 13.88 13.98 14.60 15.00 15.82 15.90 16.98 17.66 17.93 17.99 21.60 21.14 21.88 22.25 22.80 23.86 25.22 31.98 34.18 41.88 46.46 63.08 81.78
LTB
QD ® bushing is not included with the sprocket. They are to be ordered separately. Please refer to the table below for general guidelines. Specific details are found in the Bushing Section of this catalog beginning on page 199. QD ® is a registered trademark of, and is used under license agreement from Emerson Electric Co.
QD ® Bushings
8 9
2.260 2.510 2.760 3.000 3.250 3.490 3.740 3.980 4.220 4.460 4.700 4.950 5.190 5.430 5.670 5.910 6.150 6.390 6.630 6.870 7.110 7.350 7.590 7.830 8.070 8.300 8.540 8.780 9.020 9.260 9.500 9.740 9.980
1.959 2.193 2.427 2.663 2.898 3.134 3.371 3.608 3.845 4.082 4.319 4.557 4.794 5.033 5.270 5.508 5.746 5.984 6.222 6.461 6.698 6.937 7.175 7.413 7.652 7.890 8.129 8.367 8.606 8.844 9.083 9.321 9.560 9.798
1.491 1.691 1.958 2.166 2.429 2.642 2.902 3.119 3.375 3.595 3.850 4.072 4.325 4.549 4.801 5.026 5.277 5.503 5.753 5.980 6.229 6.458 6.706 6.935 7.183 7.412 7.660 7.889 8.137 8.367 8.614 8.844 9.091 9.321 9.568 9.799
NS NS
NS NS
0.625 0.875 1.125 1.313 1.438 1.500 1.750 1.875 2.000 2.250 2.375 2.375 2.625 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 3.250 3.750 3.750
1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.750 1.750 1.750 1.750 1.750 1.750 1.750 1.750 1.750 2.000 2.000 2.250 2.250
S S S S S S S S S S E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E
Bushing #
Bore Range 0.500 - 1.250˝
JA
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 70 72 80 84 96
0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250
0.44 0.54 0.68 0.80 0.94 1.08 1.24 1.44 1.62 1.84 2.12 2.28 2.48 2.68 3.00 3.34 3.54 3.96 4.14 4.40 4.78 5.24 5.52 5.86 6.16 6.78 6.82 7.52 7.84 8.28 8.56 9.10 9.74 9.84
SH
0.500 - 1.688˝
SDS
0.500 - 2.000˝
2.344 2.563 2.875 3.063 3.250 3.500 3.500 3.875 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.750 5.500 5.500
SK
0.500 - 2.625˝
SF
0.500 - 2.938˝
All dimensions in inches unless noted.
50 QD ® Sprocket Dia.
Dimensional Data QD® Sprockets
No. Teeth
Outside Diameter
QD ® Bushing #
Hub Diameter
Hub Type
Hub Style
Weight Lbs.
MAX Bore *
LTB
X
Y
L
F
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 30 32 35 36 40 42 45 48 54 60 70 72 80 84 96
2.710 2.910 3.110 3.320 3.520 3.720 3.920 4.120 4.320 4.520 4.720 4.920 5.120 5.320 5.520 5.720 5.920 6.320 6.720 7.320 7.520 8.320 8.720 9.310 9.910
JA JA JA JA JA SH SH SH
1.250 1.250 1.250 1.250 1.250 1.688 1.688 1.688 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.625 2.625 2.625 2.625 2.938 2.938 2.938 2.938
1.922 2.063 2.125 2.250 2.250 2.750 2.875 3.000 3.313 3.500 3.500 3.500 3.625 3.625 3.625 3.625 3.625 3.625 3.625 3.625 3.625 3.625 3.625 3.625 3.625 3.625 4.250 4.250 4.250 5.000 5.000 5.000 5.000
0.625 0.625 0.625 0.625 0.625 0.813 0.813 0.813 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250
1.125 1.125 1.125 1.125 1.125 1.437 1.437 1.437 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 2.125 2.125 2.125 2.125 2.250 2.250 2.250 2.250
1.125 1.125 1.125 1.125 1.125 1.437 1.437 1.437 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 2.125 2.125 2.125 2.125 2.250 2.250 2.250 2.250
0.656 0.656 0.656 0.656 0.656 0.906 0.906 0.906 0.969 0.969 0.969 0.969 0.969 0.969 0.969 0.969 0.969 0.969 0.969 0.969 0.969 0.969 0.969 0.969 0.969 1.531 1.531 1.531 1.531 1.656 1.656 1.656 1.656
2.063 2.063 2.063 2.063 2.063 2.688 2.688 2.688 3.188 3.188 3.188 3.188 3.188 3.188 3.188 3.188 3.188 3.188 3.188 3.188 3.188 3.188 3.188 3.188 3.188 3.875 3.875 3.875 3.875 4.625 4.625 4.625 4.625
B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B
S S S S S S S S S S S S E E E E E E E E E E E E E E E E E E E E E
0.34 0.40 0.52 0.60 0.68 0.84 1.04 1.24 1.20 1.32 1.42 1.58 1.70 1.86 2.00 2.12 2.32 2.64 2.98 3.62 3.64 4.74 5.40 5.90 6.66 9.68
SDS SDS SDS SDS SDS SDS SDS SDS SDS SDS SDS SDS SDS SDS SDS SDS SDS
10.220 10.460 10.700 10.940 11.180 11.420 11.650 11.890 12.130 12.370 12.610 12.850 13.090 13.330 13.570 13.810 14.040 14.280 14.520 14.760 17.150 17.630 19.540 20.490 23.360 27.180
10.037 10.275 10.514 10.752 10.991 11.229 11.468 11.706 11.945 12.183 12.422 12.660 12.889 13.137 13.376 13.615 13.853 14.092 14.330 16.717 17.195 19.103 20.058 22.922 26.741
10.045 10.276 10.522 10.754 10.999 11.231 11.476 11.708 11.953 12.186 12.430 12.663 12.907 13.140 13.384 13.618 13.861 16.248 16.726 18.634 19.589 22.453 26.272
10.76 11.08 11.50 12.32 12.42 12.92 13.98 14.58 14.60 15.84 15.92 16.96 17.60 17.62 19.00 19.20 20.02 27.20 28.90 40.18 45.50 52.02 70.80
11.110 12.300 14.290 14.690 16.280 17.080 19.470 22.650
SK SK SK SK
11.88 15.52 16.44 19.90 22.98 29.88 40.10
SF ** SF ** SF ** SF **
112
* Please reference QD ® bushing dimension table on page 200 for specific information on MAX Bore and keyway data. ** = Max Bore with shallow key
112
* Dimensions shown allow for standard keyway with set screw at 90 degrees. ¨ Has recessed groove in hub for chain clearance. NS = Non Stock
For more information on Sprockets see pages 132-137.
For more information on Sprockets see pages 132-137.
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