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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F<br />
Anti-Friction <strong>Bearings</strong><br />
7600 Series<br />
Radial Ball <strong>Bearings</strong>; Ground, Single Row; Extended Inner Race<br />
STANDARD TOLERANCES<br />
Dimensions Tolerance<br />
A All +.0008 to –.0000<br />
B<br />
1.7500<br />
2.0000-2.5625<br />
+.0000 to –.0005<br />
+.0000 to –.0006<br />
C All +.000 to –.005<br />
E All +.000 to –.005<br />
G All ±.005<br />
K All +.000 to –.005<br />
NYLON BALL RETAINERS (TN) st<strong>and</strong>ard on all sizes.<br />
SINGLE LIP CONTACT SEALS effectively retain<br />
lubricant <strong>and</strong> exclude foreign material.<br />
GREASE PACKED as st<strong>and</strong>ard on all “Double Sealed”<br />
Type DL <strong>and</strong> DLG.<br />
SPECIAL FEATURES including dimensions, tolerances,<br />
single or without seals, steel retainers available on special<br />
order if quantity warrants.<br />
SNAP RINGS included on all Type DLG sizes. Type DL<br />
sizes include snap ring groove but no snap rings<br />
furnished.<br />
ALL DIMENSIONS IN INCHES<br />
ORDER BY CATALOG NUMBER OR ITEM CODE<br />
R* Balls DL Series DLG Series<br />
A B C D F G H J K L M N Radius<br />
*<br />
No. Dia.<br />
Catalog<br />
Number<br />
Item<br />
Code<br />
Catalog<br />
Number<br />
Item<br />
Code<br />
.6250<br />
.7500<br />
1.7500 5/8 1/16 .993 .136 .042 1-59/64 1.092 .405 .233 10-32 .035 8 1/4<br />
7610DL<br />
7612DL<br />
50600<br />
50601<br />
7610DLG<br />
7612DLG<br />
50594<br />
50595<br />
1.0000 2.0000 5/8 1/16 1.290 .136 .042 2-5/32 1.179 .492 .261 10-32 .035 10 1/4 7616DL 50603 7616DLG 50597<br />
1.2500 2.5625 3/4 1/16 1.631 .190 .065 2-49/64 1.417 .605 .261 1/4-28 .035 9 3/8 7620DL 50604 7620DLG 50598<br />
*Maximum fillet on shaft or housing which bearing will clear.<br />
For recommended shaft <strong>and</strong> housing fits, see engineering section, page 238.<br />
Load Data<br />
The indicated load ratings are<br />
based on 2500 hours average<br />
life (L 50 ). To determine the load<br />
ratings at 3500 <strong>and</strong> 5000<br />
hours, 90 percent <strong>and</strong> 80<br />
percent respectively, of the<br />
above ratings should be used.<br />
Basic Radial Capacity (Lbs.) Max.<br />
Bearing Revolutions Per Minute Thrust<br />
Number 50 100 300 500 1000 1200 1800 2500 3600 5000 (Lbs.)<br />
7610-7612 1180 940 650 550 435 410 360 320 285 255 340<br />
7616 1365 1085 750 635 505 475 415 370 330 295 375<br />
7620 2640 2100 1460 1230 975 915 805 715 635 570 740<br />
188 Boston Gear 800-825-6544 P-1930-BG 04/10<br />
D<br />
B<br />
F<br />
K<br />
C<br />
L<br />
7600 DL<br />
DOUBLE SEAL<br />
M<br />
R<br />
A<br />
N<br />
H<br />
G<br />
7600 DLG<br />
DOUBLE SEAL<br />
WITH SNAP RING<br />
J
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