Control Bearings
DW Series
MS27647 - MIL-B-7949

  • Extra wide, double row, ball.
  • Equipped with Teflon seals.
  • Exposed surfaces except bore, cap, and seals are cadmium plated.
  • Prelubricated.
DW Series
Bearing
Number
MS
Bore
Outside Diameter
Widths
27647
d
D
B
C
Dash No.
+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
DW4K2 (1)
-4A
0.2500
6.350
0.625
15.875
0.562
14.27
0.500
12.70
DW4K (1)
-4
0.2500
6.350
0.750
19.050
0.875
22.22
0.750
19.05
DW4
-
0.2500
6.350
0.750
19.050
0.875
22.22
0.750
19.05
DW5
-5
0.3125
7.938
0.875
22.225
0.938
23.83
0.813
20.65
DW6
-6
0.3750
9.525
1.0625
26.988
1.188
30.18
1.063
27.00
DW8
-8
0.5000
12.700
1.4375
36.512
1.500
38.10
1.375
34.92

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
Ibs.
kg
Ibs.
N
Ibs.
N
DW4K2 (1)
0.339
8.61
0.005
0.13
0.016
0.41
0.025
0.011
1400
6200
500
2240
DW4K (1)
0.380
9.65
0.005
0.13
0.016
0.41
0.040
0.018
2770
12200
900
4000
DW4
0.375
9.52
0.005
0.13
0.016
0.41
0.060
0.027
3750
16600
1240
5500
DW5
0.469
11.91
0.005
0.13
0.016
0.41
0.070
0.032
5140
22800
1600
7100
DW6
0.573
14.55
0.005
0.13
0.016
0.41
0.120
0.054
8440
37500
2600
11600
DW8
0.712
18.08
0.005
0.13
0.032
0.81
0.290
0.132
15520
69500
4700
20800

(1) Retainer type.
Note: These bearings should not be used as track rollers, cam follower rolls, and the like.

* Check for availability