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MS27648 KP-BS Series0 pages
AIRFRAME CONTROL BALL BEARINGS —
KP-BS SERIES SELF-ALIGNING TORQUE TUBE
MS27648 • SAE-AS7949
• Single row, ball, external self aligning, extra light duty
• PTFE seals and CRES sealcaps
• Exposed surfaces except bore, caps, and seals are cadmium plated
• Prelubricated for life
• Series is internally identical to the KP-B series. Self-alignment is provided by
an external self-aligning ring whose internal spherically-ground surface is
accurately matched to the external spherically-ground surface of the outer
ring. These bearings are designed to compensate for initial misalignment
• Also offered with CRES 440C material and/or
zinc nickel plating per OEM specifications
H
AIRFRAME CONTROL
BALL BEARINGS
C x 45°
K
E
B
D
M
W
SPECIFICATIONS AND ORDERING INFORMATION
TO ORDER, SPECIFY BEARING NUMBER AND FACTORY SPECIFICATION. SEE TABLE 1 ON PG 8. (Example KP16BS FS464)
Bore
B
Outside
Diameter
D
W
H
+0.0000, -0.0010
+0.000, -0.025
Bearing
Number
+0.0000, -0.0010
+0.000, -0.025
+0.0000, -0.005
+0.000, -0.13
+0.000, -0.005
+0.00, -0.13
MS
27648
Dash
No.
Widths
E
C
Approx.
K
To
Sharp
Corner
+0.015, -0.000
+0.38, -0.00
(Ref.)
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
M
Misalignment
Either
Direction
(Ref.)
mm
Wt.
Radial
Limit
Load
Rating
Thrust
Limit
Load
Rating
Approx.
lbs.
kg
lbf.
N
lbf.
N
0.18
0.082
8085
36000
1600
7100
9000
KP16BS
-16
1.0000(1)
25.400(1)
1.9375
49.213
0.437
11.10
0.375
9.53
1.150
29.21
0.024
0.61
1.709
43.41
7°25'
KP21BS
-21
1.3130
33.350
2.2500
57.150
0.437
11.10
0.375
9.53
1.465
37.21
0.024
0.61
2.028
51.51
6°30'
0.20
0.091
9840
43800
2000
KP23BS
-23
1.4380
36.525
2.3750
60.325
0.437
11.10
0.375
9.53
1.585
40.26
0.024
0.61
2.155
54.74
6°
0.22
0.100
10500
46700
2200
9800
KP25BS
-25
1.5630
39.700
2.5000
63.500
0.437
11.10
0.375
9.53
1.700
43.18
0.024
0.61
2.282
57.96
5°45'
0.25
0.113
11300
50300
2300
10200
KP29BS
-29
1.8130
46.050
2.7500
69.850
0.437
11.10
0.375
9.53
1.940
49.28
0.024
0.61
2.535
64.39
5°
0.27
0.122
12700
56500
2600
11600
KP33BS
-33
2.0630
52.400
3.0000
76.200
0.437
11.10
0.375
9.53
2.234
56.74
0.024
0.61
2.787
70.79
5°
0.30
0.136
14400
64000
2900
12900
KP37BS
-37
2.3130
58.750
3.2500
82.550
0.437
11.10
0.375
9.53
2.475
62.87
0.024
0.61
3.039
77.19
4°30'
0.33
0.150
15800
70300
3200
14300
KP47BS
-47
2.9380
74.625
4.1250
104.775
0.531
13.49
0.469 11.91
3.105
78.87
0.039
0.99
3.846
97.69
4°30'
0.64
0.290
24700
110000
5000
22300
*KP48BS
-48
3.0000
76.200
4.2500
107.950
0.531
13.49
0.469 11.91
3.230
82.04
0.039
0.99
3.972
100.89
4°
0.69
0.313
27500
122000
5500
24500
KP49BS
-49
3.0625
77.788
4.2500
107.950
0.531
13.49
0.469 11.91
3.230
82.04
0.039
0.99
3.972
100.89
4°
0.69
0.313
27500
122000
5500
24500
(1)
+0.0000 in. (.000mm), -0.0005 in. (.013mm)
* Check for availability.
©2008 RBC Bearings Incorporated. All rights reserved.
32
For more information visit our web site at rbcbearings.com
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