Modified Stock Gearing - Boston Gear
Modified Stock Gearing - Boston Gear
Modified Stock Gearing - Boston Gear
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Roller Chain Sprockets<br />
Single Strand<br />
No. 80 1" Pitch; Steel<br />
No.<br />
of<br />
Teeth<br />
ORDER BY CATALOG NUMBER OR ITEM CODE<br />
Pitch<br />
Catalog<br />
Item<br />
Dia.<br />
Bore<br />
Number Code<br />
TYPE A NO HUB STEEL<br />
16 5.126 80A16 16356<br />
17 5.442 80A17 16358<br />
18 5.759 80A18 16360<br />
19 6.079 80A19 16362<br />
20 6.392 80A20 16364<br />
21 6.710 15/16 80A21 16366<br />
22 7.027 80A22 16368<br />
23 7.344 80A23 16370<br />
24 7.661 80A24 16372<br />
25 7.979 80A25 16374<br />
26 8.296 80A26 16376<br />
30 9.567 1-3/16 80A30 16378<br />
36 11.474 80A36 16382<br />
40 12.745 80A40 16384<br />
48 15.290 80A48 16388<br />
50 15.926 1-1/4 80A54 46555<br />
60 19.107 80A60 16392<br />
TYPE A<br />
.575<br />
MAX.<br />
TYPE B<br />
.575<br />
MAX.<br />
ORDER BY CATALOG NUMBER OR ITEM CODE<br />
No.<br />
Length<br />
With Keyway Without Keyway<br />
Pitch<br />
Hub<br />
& Setscrew* or Setscrew<br />
of<br />
Bore<br />
thru<br />
Teeth<br />
Dia.<br />
Dia.<br />
Bore Catalog Item Catalog Item<br />
Number Code Number Code<br />
TYPE B SINGLE HUB STEEL<br />
8 2.613 1 1-15/16 1-5/8 80B8-1* 46489 80B8 15870<br />
1 80B9-1* 46490 80B9 15872<br />
9 2.924 1-1/8 2-1/4† 1-5/8 80B9-1-1/8* 46491<br />
1-3/16 80B9-1-3/16* 15438<br />
1-1/4 80B9-1-1/4* 46492<br />
1 80B10-1 15440 80B10 15874<br />
10 3.236 1-1/8 2-9/16† 1-5/8 80B10-1-1/8 46493<br />
1-3/16 80B10-1-3/16 46494<br />
1-1/4 80B10-1-1/4 15442<br />
1 80B11-1 46495 80B11 15876<br />
1-1/8 80B11-1-1/8 46496<br />
1-3/16 80B11-1-3/16 15444<br />
1-1/4 80B11-1-1/4 15446<br />
11 3.549 1-3/8 2-13/16† 1-5/8 80B11-1-3/8 63651<br />
1-7/16 80B11-1-7/16 15448<br />
1-1/2 80B11-1-1/2* 15450<br />
1-9/16 80B11-1-9/16* 46497<br />
1-5/8 80B11-1-5/8* 15452<br />
1 80B12-1 63653 80B12 15878<br />
1-1/8 80B12-1-1/8 63654<br />
1-3/16 80B12-1-3/16 63655<br />
1-1/4 80B12-1-1/4 15454<br />
12 3.864 1-3/8 3-1/8† 1-5/8 80B12-1-3/8 63656<br />
1-7/16 80B12-1-7/16 15456<br />
1-1/2 80B12-1-1/2 15458<br />
1-9/16 80B12-1-9/16 63657<br />
1-5/8 80B12-1-5/8 15460<br />
1-3/4 80B12-1-3/4 15462<br />
P.D.<br />
MAXIMUM DIA. OF CHAIN OVER<br />
SPROCKET = SPROCKET P.D. + .875”<br />
STANDARD TOLERANCES<br />
Dimension<br />
Tolerance<br />
Type A Bore All ±.002 –.001<br />
Type B Bore All ±.001<br />
Reference Pages<br />
P.D.<br />
Alterations – 316<br />
Horsepower Ratings – 260-262<br />
Lubrication – 259<br />
Materials – 316<br />
Selection Procedure – 258<br />
ANSI Diameters – 317<br />
*All sprockets have standard keyway. All<br />
sprockets have 3/8–16 setscrew, located<br />
over keyway except at 90° where marked.<br />
†Has recessed groove in hub for chain<br />
clearance.<br />
H<br />
P-1930-BG 04/10 <strong>Boston</strong> <strong>Gear</strong> 800-825-6544 287
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