Modified Stock Gearing - Boston Gear

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