Modified Stock Gearing - Boston Gear
Modified Stock Gearing - Boston Gear
Modified Stock Gearing - Boston Gear
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Spur <strong>Gear</strong>s<br />
6 and 5 Diametral Pitch (Steel & Cast Iron)<br />
20° Pressure Angle (will not operate with 14-1⁄2° spurs)<br />
A<br />
FACE<br />
PITCH<br />
DIA.<br />
HUB<br />
PROJ.<br />
BORE<br />
OVERALL<br />
LENGTH<br />
STANDARD TOLERANCES<br />
DIMENSION TOLERANCE<br />
BORE All ±.0005<br />
REFERENCE PAGES<br />
Alterations — 314<br />
Horsepower Ratings — 61, 62<br />
Lubrication — 314<br />
Materials — 315<br />
Selection Procedure — 49<br />
HUB<br />
DIA.<br />
6 D.P. 5 D.P.<br />
ALL DIMENSIONS IN INCHES<br />
ORDER BY CATALOG NUMBER OR ITEM CODE<br />
Style Without Keyway With Keyway<br />
No. Hub See or Setscrew and Setscrew †<br />
of Pitch Page Catalog Item Catalog Item<br />
Teeth Dia. Bore Dia. Proj. 315 Number Code Number Code<br />
6<br />
Face = 2.000"<br />
Outside Dia. = Pitch Dia. + .333"<br />
DIAMETRAL PITCH<br />
Overall Length = 2.000" + Hub Proj.<br />
STEEL<br />
1.000 YJ16 10004 YJ16-1 46212<br />
16 2.667<br />
1.125<br />
1.1875<br />
2.13 .88<br />
–<br />
–<br />
–<br />
–<br />
YJ16-1-1/8 46213<br />
YJ16-1-3/16 46214<br />
1.250 – – YJ16-1-1/4 46215<br />
1.000 YJ18 10006 YJ18-1 46216<br />
18 3.000<br />
1.125<br />
1.1875<br />
2.46 .88<br />
–<br />
–<br />
–<br />
–<br />
YJ18-1-1/8 46217<br />
YJ18-1-3/16 46218<br />
1.250 – – YJ18-1-1/4 46219<br />
1.000 A YJ21 10008 YJ21-1 46220<br />
21 3.500<br />
1.125<br />
1.1875<br />
2.96 .88<br />
–<br />
–<br />
–<br />
–<br />
YJ21-1-1/8 46221<br />
YJ21-1-3/16 46222<br />
1.250 – – YJ21-1-1/4 46223<br />
24 4.000 3.00 YJ24A 10704 – –<br />
27 4.500 1.125 3.50 .88 YJ27A 10706 – –<br />
30 5.000 4.00 YJ30C 10708 – –<br />
CAST IRON<br />
33<br />
36<br />
5.500<br />
6.000<br />
1.125<br />
3.00<br />
3.50<br />
1.50<br />
B<br />
A<br />
YJ33B<br />
YJ36B<br />
10710<br />
10712<br />
–<br />
–<br />
–<br />
–<br />
42 7.000 YJ42B 10714 – –<br />
48 8.000 1.250 3.50 1.50 B YJ48B 10716 – –<br />
54 9.000 YJ54B 10718 – –<br />
60<br />
66<br />
10.000<br />
11.000<br />
C<br />
YJ60B<br />
YJ66B<br />
10720<br />
10722<br />
–<br />
–<br />
–<br />
–<br />
72<br />
84<br />
12.000<br />
14.000<br />
1.250 4.00 1.50<br />
YJ72B<br />
YJ84B<br />
10724<br />
10726<br />
–<br />
–<br />
–<br />
–<br />
96 16.000 D YJ96B 10728 – –<br />
108 18.000 YJ108B 10730 – –<br />
120 20.000 1.375 4.50 1.50 YJ120B 10732 – –<br />
5<br />
Face = 2.500"<br />
Outside Dia. = Pitch Dia. + .400"<br />
DIAMETRAL PITCH<br />
Overall Length = 2.500" + Hub Proj.<br />
STEEL<br />
12 2.400 1.78 YK12 10010 – –<br />
14 2.800 2.18 YK14 10012 – –<br />
15<br />
16<br />
3.000<br />
3.200<br />
1.125<br />
2.38<br />
2.58<br />
.88 A<br />
YK15<br />
YK16<br />
10014<br />
10016<br />
–<br />
–<br />
–<br />
–<br />
18 3.600 2.98 YK18 10018 – –<br />
20 4.000 3.38 YK20 10020 – –<br />
CAST IRON<br />
24 4.800 YK24 10738 – –<br />
25<br />
28<br />
5.000<br />
5.600<br />
1.125 3.75 1.25 A<br />
YK25B<br />
YK28<br />
10740<br />
10742<br />
–<br />
–<br />
–<br />
–<br />
30 6.000 YK30B 10744 – –<br />
35 7.000<br />
B<br />
YK35B 10746 – –<br />
40 8.000<br />
1.250<br />
3.75<br />
1.25<br />
YK40B 10748 – –<br />
45 9.000 YK45B 10750 – –<br />
50 10.000 4.00 C YK50 10752 – –<br />
60 12.000 YK60 10754 – –<br />
70 14.000 1.375 4.38 1.50 YK70B 10756 – –<br />
80 16.000 YK80B 10758 – –<br />
100<br />
110<br />
20.000<br />
22.000 1.500<br />
4.75<br />
1.75 D<br />
YK100<br />
YK110<br />
10762<br />
10764<br />
–<br />
–<br />
–<br />
–<br />
120 24.000 5.00 YK120 10766 – –<br />
140 28.000 5.00 YK140B 10768 – –<br />
160 32.000 1.625 5.00 2.00 YK160B 10770 – –<br />
180 36.000 5.50 YK180B 10772 – –<br />
†All gears have standard keyway at 90° to setscrew. See Page 315.<br />
46 <strong>Boston</strong> <strong>Gear</strong> 800-825-6544 P-1930-BG 04/10
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