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PDF MS27645E Data sheet ( Hoja de datos )
| Número de pieza | MS27645E | |
| Descripción | BEARING / BALL / AIRFRAME / ANTI-FRICTION / LIGHT AND HEAVY DUTY | |
| Fabricantes | ETC | |
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INCH-POUND
MS27645E
20 January 1998
SUPERSEDING
MS27645D
5 December 1994
MILITARY SPECIFICATION SHEET
BEARING, BALL, AIRFRAME, ANTI-FRICTION,
SELF-ALIGNING, LIGHT AND HEAVY DUTY
This Specification is approved for use by all Departments and
Agencies of the Department of Defense.
The requirements for acquiring the product described herein shall consist of this specification
sheet and the issue of the following specification listed in that issue of the Department of Index of
Specifications and Standards (DODISS) specified in the solicitation: MIL-B-7949.
TABLE I. DIMENSIONS AND LOADS
MS
DASH
NO.
-3A
-4A
-5A
-6A
-3
-4
-5
-6
-8
-10
¬B
2/
BORE
¬D
OUTSIDE
DIAMETER
1/ 2/
+.0000
-.0005
.1900
.2500
.3125
.3750
.1900
.2500
.3125
.3750
.5000
.6250
+.0000
-.0005
.6250
.7500
. 8125
.8750
.7774
. 9014
1.2500
1.4375
1.6875
1.9375
W
WIDTH
INNER
RING
1/
+.000
-.005
.245
.281
.297
.313
.297
.484
.558
.620
.620
.813
H
WIDTH
OUTER
RING
1/
+.000
-.005
.203
.219
.234
.250
.270
.335
.375
.469
.500
.625
¬A
SHOULDER
DIAMETER
INNER
RING
(APPROX)
.253
.321
.381
.453
.290
.390
.561
.607
.791
.916
E
4/
INNER
RING
CORNER
CHAMFER
C
3/
OUTER
RING
CORNER
CHAMFER
+.015 -.000
.005
.015
.016
.005
.016
.022
.032
.015
.044
RADIAL
LIMIT
LOAD
RATING
LBS
550
900
1000
1120
900
1410
2190
2980
3670
5320
THRUST
LIMIT
LOAD
RATING
LBS
100
200
300
400
500
600
6/ 5/
RADIAL LOAD
RATING (LBS)
FOR AVERAGE LIFE
OF 10,000 COMPLETE
90 CYCLES
CASE I
550
900
950
1120
900
1230
2190
2980
3670
4980
CASE II
480
770
815
990
770
1230
1890
2580
3290
4360
AXIAL
INTERNAL
CLEARANCE
(MAX)
.023
.025
.028
.030
.023
.025
.028
.030
.032
.034
WEIGHT
POUNDS
(APPROX)
.01
.02
.03
.04
.10
.15
.23
.37
1/ Dimensions to be met after plating.
2/ Out-of-round tolerances: Bore: +.0002, -.0007; outer dia: +.0005, -.0010.
3/ 45≡ chamfer or a radius giving approximately the same grip for staking the bearing in the housing will be acceptable.
4/ 45≡ chamfer or a radius giving approximately the same fillet clearance will be acceptable.
5/ Case I = load fixed with respect to outer ring.
Case II = load fixed with respect to inner ring.
6/ These ratings are for operation up to 250≡F. For operation up to 350≡F, the ratings shall be reduced by 20%.
7/ These bearings are internal self-aligning for 10≡ in either direction except MS-4A, -5A, and –6A which are self-aligning
for 8≡ in either direction.
MAXIMUM
STARTING
TORQUE
(INCH-0Z)
1
1
2
3
1
1
2
3
4
6
MINIMUM
TORQUE
TO
DISLODGE
SEAL
(IN-LB)
4
6
10
8
6
5
16
18
20
25
AMSC N/A
1 of 3
FSC 3110
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet MS27645E.PDF ] | |
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