No. 50
No. 50
5 / 8 ” PITCH
5 / 8 ” PITCH
PLAIN BORE
FINISHED BORE
Chain Data Size
Chain Data Size
50
50
Pitch
5/8˝ 3/8˝
Pitch
5/8˝ 3/8˝
Inside Width
Inside Width
Roller Diameter
0.400˝ 0.343˝
Roller Diameter
0.400˝ 0.343˝
Nominal Tooth Width:
Nominal Tooth Width:
All dimensions in inches unless noted.
All dimensions in inches unless noted.
50 Plain Bore Sprocket Diameters
Type “A” Plain Bore
Type “B” Plain Bore
50 Finished Bore Sprocket Diameters
Type “F” Bored to Shaft Size (includes standard keyway and two set screws)
No. Teeth Outside Dia.
Pitch Diameter
Caliper Diameter
Plain Bore
Wt. Lbs.
Plain Bore MAX Bore *
Hub Dia. 1.125 ¨ 1.375 ¨ 1.313 ¨ 1.750 ¨ 1.984 ¨
LTB
Hub Style Wt. Lbs.
8 9
1.880 2.090 2.300 2.500 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 6.120 6.320 6.520 6.720 6.920 7.120 7.320 7.520 7.720 7.920 8.120 8.320 8.520 8.720 8.910 9.110 9.310 9.510 9.710 9.910
1.633 1.828 2.023 2.219 2.415 2.612 2.809 3.006 3.204 3.401 3.599 3.798 3.995 4.194 4.392 4.590 4.788 4.987 5.185 5.384 5.582 5.781 5.979 6.178 6.376 6.575 6.774 6.973 7.171 7.370 7.569 7.768 7.966 8.165 8.364 8.563 8.761 8.960 9.159 9.358 9.556 9.755 9.954
1.233 1.400 1.623 1.796 2.015 2.193 2.409 2.590 2.804 2.987 3.199 3.384 3.595 3.782 3.992 4.179 4.388 4.577 4.785 4.975 5.182 5.371 5.579 5.770 5.976 6.168 6.374 6.565 6.771 6.963 7.169 7.361 7.566 7.759 7.964 8.157 8.361 8.554 8.759 8.952 9.156 9.350 9.554 9.748 9.951
NS NS NS NS
NS NS NS NS
0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 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 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 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000
0.625 0.750 0.875 1.000 1.250 1.313 1.438 1.500 1.750 1.875 1.875 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.500 2.500 2.500 2.500 2.500 2.500 2.500 2.500 2.500 2.500 2.500 2.500 2.500 2.500 2.500 2.500 2.500 2.500 2.750 2.750 2.750 2.750
1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 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
S 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 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
0.25 0.36 0.48 0.64 0.83 0.88 1.13 1.34 1.51 1.74 2.00 2.22 2.23 2.40 2.56 2.66 3.30 3.40 3.44 3.74 3.80 4.06 4.56 4.74 4.96 5.20 5.14 5.44 5.64 5.90 6.08 6.30 6.50 6.64 6.96 7.06 7.58 8.58 8.22 8.48 9.28 9.22 9.88 9.70
No. Teeth
Outside Diameter
Pitch Diameter
Caliper Diameter
.625 ˝
.750 ˝
.875 ˝
1.000 ˝
1.125 ˝
1.188 ˝
1.250 ˝
1.375 ˝
1.438 ˝
1.500 ˝
1.625 ˝
1.750 ˝
1.938 ˝
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
9
2.090 2.300 2.500 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 6.120 6.320 6.520 6.720 6.920 7.120 7.320 7.520 7.720 7.920 8.120 8.320 8.520 8.720 8.910 9.110 9.310 9.510 9.710 9.910
1.828 2.023 2.219 2.415 2.612 2.809 3.006 3.204 3.401 3.599 3.798 3.995 4.194 4.392 4.590 4.788 4.987 5.185 5.384 5.582 5.781 5.979 6.178 6.376 6.575 6.774 6.937 7.171 7.370 7.569 7.768 7.966 8.165 8.364 8.563 8.761 8.960 9.159 9.358 9.556 9.755 9.954
1.400 1.623 1.796 2.015 2.193 2.409 2.590 2.804 2.987 3.199 3.384 3.595 3.782 3.992 4.179 4.388 4.577 4.785 4.975 5.182 5.371 5.579 5.770 5.976 6.168 6.374 6.565 6.771 6.963 7.169 7.361 7.566 7.759 7.964 8.157 8.361 8.554 8.759 8.952 9.156 9.350 9.554 9.748 9.951
• • • • • • • • • • •
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 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 0.719 0.719 0.719 0.719 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
0.34 0.42 0.50 0.54 0.68 0.76 0.86 0.94 1.06 1.12 1.30 1.44 1.50 1.62 1.72 1.96 2.04 2.36 2.54 2.72 2.80 3.14 3.20 3.34 3.82 3.98 4.14 4.42 4.46 4.86 4.98 5.24 5.42 5.92 6.42 6.50 6.58 7.06 7.10 7.32 7.98 8.08 8.30 8.56 8.90 9.38
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
• ¢
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1.875 2.125 2.375 2.500 2.688 2.875 3.000 3.000 3.000 3.000 3.000 3.000 3.000 3.000 3.000 3.000 3.000 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.750 3.750 3.750 3.750 3.750 3.750 3.750 3.750 3.750 3.750 3.750 3.750 3.750 3.750 3.750 3.750 3.750 3.750 4.250 4.250 4.250 4.250
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• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
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10.110 10.310 10.510 10.710 10.910 11.110 11.310 11.500 11.700 11.900 12.100 12.300 14.290 14.690 16.280 17.080 19.470 22.650
10.153 10.351 10.550 10.749 10.948 11.147 11.346 11.544 11.743 11.942 13.931 14.329 15.919 16.715 19.102 22.284
10.110 10.310 10.510 10.710 10.910 11.110 11.310 11.500 11.700 11.900 12.100 12.300 14.290 14.690 16.280 17.080 19.470 22.650
10.24 10.48 11.00 10.93 11.50 12.00 11.82 12.32 13.00 18.16 19.48 24.74 25.50 32.92 42.00
10.146 10.349 10.543 10.747 10.941 11.144 11.339 11.542 13.531 13.929 15.519 16.315 18.702 21.884
10.153 10.351 10.550 10.749 10.948 11.147 11.346 11.544 11.743 11.942 13.931 14.329 15.919 16.715 19.102 22.284
10.146 10.349 10.543 10.747 10.941 11.144 11.339 11.542 13.531 13.929 15.519 16.315 18.702 21.884
10.30 10.50 10.80 14.00 15.24 21.00 22.08 27.40 37.70
112
* Dimensions shown allow for standard keyway with set screw at 90 degrees. ¨ Has recessed groove in hub for chain clearance. NS = Non Stock
112
• Denotes stocking item. ¢ Indicates set screw at 90 degrees and 180 degrees from keyway.
For more information on Sprockets see pages 132-137.
For more information on Sprockets see pages 132-137.
151
152
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