Modified Stock Gearing - Boston Gear
Modified Stock Gearing - Boston Gear
Modified Stock Gearing - Boston Gear
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BOST-BRONZ Oil-Impregnated Sintered Bronze Bearings<br />
ALL DIMENSIONS IN INCHES<br />
ORDER BY CATALOG NUMBER OR ITEM CODE<br />
Flanged Type<br />
A B C D E<br />
Catalog Item<br />
Number Code<br />
1/8 5/16 1/4<br />
.375 3/64<br />
FB25-2 35516<br />
.127 .315 3/8 FB25-3 35518<br />
3/16 5/16<br />
1/8 FB35-1 35520<br />
.189 .3145<br />
1/4 .375 3/64 FB35-2 35522<br />
3/8 FB35-3 35524<br />
1/4 FB46-2 35526<br />
1/4 3/8<br />
3/8 FB46-3 35528<br />
.252 .377<br />
1/2 .500 3/64 FB46-4 35530<br />
5/8 FB46-5 35532<br />
3/4 FB46-6 35534<br />
3/8<br />
.377<br />
3/8 .500 3/64 FB56-3 35536<br />
3/8 FB57-3 35538<br />
1/2 FB57-4 69191<br />
5/16 7/16 5/8<br />
.625 3/32<br />
FB57-5 69192<br />
.314 .439 3/4 FB57-6 35540<br />
7/8 FB57-7 69193<br />
1 FB57-8 69194<br />
1/2<br />
3/8 FB58-3 35542<br />
.502<br />
1/2 .688 3/32 FB58-4 35544<br />
5/8 FB58-5 35546<br />
3/8 FB68-3 35548<br />
13/32 FB68-3 1/4 35550<br />
1/2 FB68-4 35552<br />
1/2 5/8<br />
.688 3/32<br />
FB68-5 35554<br />
.502 3/4 FB68-6 35556<br />
7/8 FB68-7 69195<br />
1 FB68-8 35558<br />
1-1/4 FB68-10 35560<br />
3/8 9/16<br />
1/2 FB69-4 69196<br />
.377 .5645<br />
3/4 .750 1/8 FB69-6 35562<br />
1-1/4 FB69-10 35564<br />
3/8 FB610-3 69197<br />
1/2 FB610-4 35566<br />
5/8 5/8<br />
.875 1/8<br />
FB610-5 39198<br />
.627 3/4 FB610-6 35568<br />
1 FB610-8 69199<br />
1-1/4 FB610-10 35570<br />
3/4<br />
.753<br />
1/2 1.000 1/8 FB612-4 35572<br />
1/2 FB79-4 13611<br />
9/16<br />
5/8 .688 1/16 FB79-5 13613<br />
.565<br />
3/4 FB79-6 13615<br />
7/16<br />
.439 5/8<br />
5/8 FB710-5 35574<br />
.628<br />
3/4 .875 1/8 FB710-6 69200<br />
1-1/4 FB710-10 35576<br />
1/2 FB810-4 35578<br />
5/8 FB810-5 35580<br />
3/4 FB810-6 35582<br />
5/8 7/8<br />
.875 1/8<br />
FB810-7 69201<br />
.628 1 FB810-8 35584<br />
1-1/4 FB810-10 35586<br />
1-1/2 FB810-12 35588<br />
1-3/4 FB810-14 35590<br />
1/2 11/16<br />
1/2 FB811-4 35592<br />
.502 .690<br />
5/8 .938 1/8 FB811-5 69202<br />
3/4 FB811-6 35594<br />
1/2 FB812-4 35596<br />
5/8 FB812-5 69203<br />
3/4<br />
3/4 FB812-6 35598<br />
7/8 1.000 1/8 FB812-7 35600<br />
.753<br />
1 FB812-8 35602<br />
1-1/4 FB812-10 35604<br />
1-1/2 FB812-12 35606<br />
9/16 3/4<br />
1/2 FB912-4 69204<br />
.565 .753<br />
3/4 1.000 1/8 FB912-6 69205<br />
1 FB912-8 35608<br />
On A and B dimensions, tolerances apply to actual (decimal) dimensions.<br />
B<br />
A<br />
.020 RADIUS<br />
MAX.<br />
STANDARD TOLERANCES<br />
Dimensions Tolerance<br />
A 1/8 – 1 1/2 +.000, – .001<br />
1 3/4 – 2 1/2 +.000, – .0015<br />
B 2 3/4 – 3 1/2 +.000, – .002<br />
1/8 – 1 1⁄2 ± .005<br />
C 1 3⁄4 – 3 ± .0075<br />
4 ± .010<br />
D 3/8 – 1 1/4 ±.005<br />
1 3/8 – 2 1/2 ±.010<br />
4 ±.015<br />
E 3/8 – 1 1/4 ±.0025<br />
1 3/8 – 2 1/2 ±.005<br />
4 ±.010<br />
CONCENTRICITY<br />
Dimensions Tolerance<br />
A<br />
1/8 - 1 1/2 .003<br />
1 5/8 - 3 .004<br />
3 1/4 - 3 1/2 .005<br />
Prices on unlisted sizes and other <strong>Boston</strong> <strong>Gear</strong><br />
powder metal parts provided on request.<br />
C<br />
D<br />
E<br />
F<br />
P-1930-BG 04/10 <strong>Boston</strong> <strong>Gear</strong> 800-825-6544 141
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