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Modified Stock Gearing - Boston Gear

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Spur <strong>Gear</strong>s<br />

32 Diametral Pitch (Delrin & Brass)<br />

20° Pressure Angle (will not operate with 14-1⁄2° spurs)<br />

A<br />

FACE<br />

PITCH<br />

DIA.<br />

STANDARD TOLERANCES<br />

DIMENSION TOLERANCE<br />

Brass<br />

BORE All ± .0005<br />

Delrin with Brass Inserts<br />

BORE All + .001 – .000<br />

32 D.P.<br />

REFERENCE PAGES<br />

Alterations — 314<br />

Lubrication — 314<br />

Materials — 315<br />

HUB<br />

PROJ.<br />

BORE<br />

OVERALL<br />

LENGTH<br />

HUB<br />

DIA.<br />

†All YPB gears have setscrew and spot drill.<br />

ALL DIMENSIONS IN INCHES<br />

ORDER BY CATALOG NUMBER OR ITEM CODE<br />

Style Without Keyway<br />

No. Hub See or Setscrew †<br />

of Pitch Page Catalog Item<br />

Teeth Dia. Bore Dia. Proj. 315 Number Code<br />

32<br />

Face = .188"<br />

Outside Dia. = Pitch Dia. + .062"<br />

DIAMETRAL PITCH<br />

Overall Length = .188" + Hub Proj.<br />

MOLDED DELRIN with BRASS INSERTS<br />

12 .375 .28 YPB3212 54007<br />

14 .438 .31 YPB3214 54008<br />

15 .469 .125 .31 YPB3215 54009<br />

16 .500 .34 YPB3216 54010<br />

18 .562 .34 YPB3218 54011<br />

20 .625 .47 A YPB3220 54012<br />

22 .688 .50 YPB3222 54013<br />

24 .750<br />

.50 YPB3224 54014<br />

.1875<br />

26 .812 .56 YPB3226 54015<br />

28 .875 .50 YPB3228 54016<br />

30 .938 .56 YPB3230 54017<br />

32 1.000 .63 .31 YPB3232 54018<br />

34 1.062 .61 YPB3234 54019<br />

36 1.125 .61 YPB3236 54020<br />

38 1.187<br />

.61 YPB3238 54021<br />

.250<br />

40 1.250 .61 YPB3240 54022<br />

42 1.312 .61 YPB3242 54023<br />

44 1.375 .61 B YPB3244 54024<br />

48 1.500 .63 YPB3248 54025<br />

52 1.625 .67 YPB3252 54026<br />

56 1.750 .67 YPB3256 54027<br />

64 2.000<br />

.67 YPB3264 54028<br />

.3125<br />

72 2.250 .81 YPB3272 54029<br />

80 2.500 .81 YPB3280 54030<br />

96 3.000 .81 YPB3296 54031<br />

BRASS<br />

12 .375<br />

.28<br />

Y3212 09406<br />

.125<br />

.25<br />

14 .438 .34 Y3214 09408<br />

16 .500 .40 Y3216 09410<br />

18 .562 .43 Y3218 09412<br />

20 .625 .1875 .47 .25 Y3220 09414<br />

24 .750 .53 Y3224 09416<br />

28 .875 .59 A Y3228 09418<br />

32 1.000 .66 Y3232 09420<br />

36 1.125<br />

.72<br />

Y3236 09422<br />

.250<br />

.25<br />

40 1.250 .72 Y3240 09424<br />

48 1.500 .78 Y3248 09426<br />

56 1.750 .84<br />

Y3256 09428<br />

.25<br />

64 2.000 .90 Y3264 09430<br />

72 2.250 .88 Y3272 09432<br />

80 2.500<br />

.88 Y3280 09434<br />

.3125<br />

96 3.000 1.00<br />

Y3296 09436<br />

.31 C<br />

112 3.500 1.00 Y32112 09438<br />

128 4.000 1.00 Y32128 09440<br />

160 5.000 1.00 Y32160 09442<br />

BORE<br />

SETSCREW<br />

1/8 #2-56<br />

3/16 #4-40<br />

1/4 #6-32<br />

5/16 #8-32<br />

40 <strong>Boston</strong> <strong>Gear</strong> 800-825-6544 P-1930-BG 04/10

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