Control Bearings
DSP Series Self-Aligning Type
Double Row MS27643 • MIL-B-7949
Double row, ball, self-aligning
Equipped with Teflon seals.
Exposed surfaces except bore, cap, and seals are cadmium plated.
Prelubricated.
Bearing
Number
MS
27643
Dash
No.
Bore
Outside Diameter
Widths
d
D
B
C
+0.0000,-.0005
+0.000,-.013
+0.0000,-.0005
+0.000,-.013
+0.000,-0.005
+0.00,-.13
+0.000,-.005
+0.00,-.13
in.
mm
in.
mm
in.
mm
in.
mm
DSP3
-3
0.1900
4.826
0.7774
19.746
0.500
12.70
0.392
9.96
DSP4
-4
0.2500
6.350
0.9014
22.896
0.687
17.45
0.464
11.79
DSP5
-5
0.3125
7.938
1.2500
31.750
0.812
20.62
0.656
16.66
DSP6
-6
0.3750
9.525
1.4375
36.512
0.937
23.80
0.750
19.05
DSP8
-8
0.5000
12.700
1.6875
42.862
1.000
25.40
0.812
20.62
DSP10
-10
0.6250
15.875
1.9375
49.212
1.125
28.58
0.937
23.80
Bearing
Number
d 1
r 1
r
Wt.
Radial
Limit
Load
Rating
Thrust
Limit
Load
Rating
Approx.
+.015,-.000
+.38,-.00
+.015,-.000
+.38,-.00
Approx.
in.
mm
in.
mm
in.
mm
lbs.
kg
lbs.
N
lbs.
N
DSP3
0.304
7.72
0.005
0.13
0.022
0.56
0.04
0.018
1420
6400
200
900
DSP4
0.430
10.92
0.005
0.13
0.032
0.81
0.06
0.027
1780
8000
300
1340
DSP5
0.515
13.08
0.015
0.38
0.032
0.81
0.16
0.073
3740
16600
600
2650
DSP6
0.564
14.33
0.015
0.38
0.032
0.81
0.24
0.109
5100
22800
800
3550
DSP8
0.775
19.68
0.015
0.38
0.044
1.12
0.36
0.163
7120
31500
1000
4400
DSP10
0.869
22.07
0.015
0.38
0.044
1.12
0.53
0.240
9000
40000
1300
5850
(1) These bearings are self-aligning for 10° in either direction . Note: These bearings should not be used as track rollers, cam follower rolls, and the like
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