Spur Gears - Norfolk Bearings and Supply Company, Inc.
Spur Gears - Norfolk Bearings and Supply Company, Inc.
Spur Gears - Norfolk Bearings and Supply Company, Inc.
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ALL DIMENSIONS IN INCHES<br />
ORDER BY CATALOG NUMBER OR ITEM CODE<br />
Pitch Nom- Mating Nylon Steel<br />
Overall Line inal <strong>Spur</strong><br />
Thick- to Back Length Gear Catalog Item Catalog Item<br />
ness (B) (Feet) Page # Number Code Number Code<br />
48 DIAMETRAL PITCH FACE WIDTH = .125"<br />
.125 .104<br />
1<br />
2<br />
18<br />
GP586-1 53899<br />
– –<br />
–<br />
L501-2<br />
–<br />
12726<br />
32 DIAMETRAL PITCH FACE WIDTH = .188"<br />
1 GP583-1 53900 – –<br />
.188 .156 2 18, 19 – – L503-2 12728<br />
4 – – L503-4 12730<br />
24 DIAMETRAL PITCH FACE WIDTH = .250"<br />
1 GP579-1 53901 – –<br />
.250 .208 2 19, 20 – – L505-2 12732<br />
4 – – L505-4 12734<br />
20 DIAMETRAL PITCH FACE WIDTH = .375"<br />
2 – – L509-2 12736<br />
.375 .325 4 20, 21 – – L509-4 12738<br />
6 – – L509-6 12740<br />
16 DIAMETRAL PITCH<br />
*FACE WIDTH = .313"<br />
.312<br />
.500<br />
.250<br />
.438<br />
2<br />
4<br />
4<br />
6<br />
21, 22<br />
–<br />
–<br />
–<br />
–<br />
–<br />
–<br />
–<br />
–<br />
L510-2<br />
L510-4<br />
L512-4<br />
L512-6<br />
12742<br />
12744<br />
12746<br />
12748<br />
12 DIAMETRAL PITCH FACE WIDTH = .750"<br />
.500<br />
.750<br />
.417<br />
.667<br />
4<br />
6<br />
4<br />
22, 23<br />
–<br />
–<br />
–<br />
–<br />
–<br />
–<br />
L514-4<br />
L514-6<br />
L515-4<br />
12750<br />
12752<br />
12754<br />
6 – – L515-6 12756<br />
10 DIAMETRAL PITCH FACE WIDTH = 1.000"<br />
.625<br />
1.000<br />
.525<br />
.900<br />
4<br />
6<br />
4<br />
6<br />
23, 24<br />
–<br />
–<br />
–<br />
–<br />
–<br />
–<br />
–<br />
–<br />
L516-4<br />
L516-6<br />
L517-4<br />
L517-6<br />
37324<br />
37326<br />
37328<br />
37330<br />
8 DIAMETRAL PITCH FACE WIDTH = 1.250"<br />
.750<br />
1.250<br />
.625<br />
1.125<br />
4<br />
6<br />
4<br />
6<br />
24, 25<br />
–<br />
–<br />
–<br />
–<br />
–<br />
–<br />
–<br />
–<br />
L518-4<br />
L518-6<br />
L519-4<br />
L519-6<br />
37332<br />
37334<br />
37336<br />
37338<br />
6 DIAMETRAL PITCH FACE WIDTH = 1.500"<br />
1.000<br />
1.500<br />
.833<br />
1.333<br />
4<br />
6<br />
4<br />
6<br />
25, 26<br />
–<br />
–<br />
–<br />
–<br />
–<br />
–<br />
–<br />
–<br />
L520-4<br />
L520-6<br />
L521-4<br />
L521-6<br />
37340<br />
37342<br />
37344<br />
37346<br />
5 DIAMETRAL PITCH FACE WIDTH = 1.750"<br />
1.250 1.050<br />
4<br />
6<br />
26<br />
–<br />
–<br />
–<br />
–<br />
L522-4<br />
L522-6<br />
37348<br />
37350<br />
4 DIAMETRAL PITCH FACE WIDTH = 2.000"<br />
1.500 1.250<br />
4<br />
6<br />
27<br />
–<br />
–<br />
–<br />
–<br />
L523-4<br />
L523-6<br />
37352<br />
37354<br />
3 DIAMETRAL PITCH FACE WIDTH = 3.000"<br />
1.500 1.167<br />
*Face Width of L512-4 <strong>and</strong> L512-6 = 1/2".<br />
4<br />
– – L524-4 37356<br />
27<br />
6 – – L524-6 37358<br />
Rack<br />
48 through 3 Diametral Pitch (Nylon & Steel)<br />
14-1/2° Pressure Angle (will not operate with 20° spurs)<br />
PITCH LINE<br />
TO BACK<br />
(B)<br />
LENGTH<br />
STANDARD TOLERANCES ‡<br />
DIMENSION TOLERANCE<br />
LENGTH † All + 1.00 – .000<br />
1/8 – 3/4 + .000 – .002<br />
FACE 1 – 1-1/2 + .000 – .003<br />
WIDTH 1-3/4 – 2 + .000 – .004<br />
3 + .000 – .006<br />
†Ends not machined. Tolerance allows for cutting <strong>and</strong><br />
matching. Nylon Rack is molded in proper lengths to<br />
permit end to end butting without interruption of tooth<br />
spacing.<br />
‡Steel only.<br />
PITCH DIA<br />
OF GEAR<br />
(D)<br />
GEAR<br />
CENTER LINE<br />
TO BACK OF RA<br />
B + D<br />
2<br />
REFERENCE PAGES<br />
Alterations — 314<br />
Lubrication — 314<br />
Materials — 315<br />
P-1930-BG 04/10 Boston Gear 800-825-6544 35<br />
PITCH LINE<br />
TO BACK<br />
(B)<br />
CK<br />
LENGTH<br />
WIDTH<br />
OVERALL<br />
THICKNESS<br />
FACE<br />
WIDTH<br />
OVERALL<br />
THICKNESS<br />
A
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