Detailed description
Control Bearings B538 Series Extra Light Torque Tube Type MS27643 • MIL-B-7949
- Extra light duty.
- Single row, ball.
- This series is made of bearing quality chromium-alloy, high carbon steeland is not cadmium plated.
- Open type - no seals or shields.
- Prepacked with a preseruative
|
Bearing
Number
|
Bore
|
Outside Diameter
|
Widths
|
|||||
|
d
|
D
|
B
|
C
|
|||||
|
+0.0007,-.0007
+0.018,-.018 |
+0.0000,-.0010
+0.000,-.025 |
+0.000,-0.005
+0.00,-.13 |
+0.000,-.005
+0.00,-.13 |
|||||
|
|
in.
|
mm
|
in.
|
mm
|
in.
|
mm
|
in.
|
mm
|
|
B538
|
0.6250
|
15.875
|
1.0625
|
26.988
|
0.281
|
7.14
|
0.25
|
6.35
|
|
B539
|
0.7500
|
19.050
|
1.1875
|
30.162
|
0.281
|
7.14
|
0.25
|
6.35
|
|
B540
|
0.8750
|
22.225
|
1.3125
|
33.338
|
0.281
|
7.14
|
0.25
|
6.35
|
|
B541
|
1.0625
|
26.988
|
1.5000
|
38.100
|
0.281
|
7.14
|
0.25
|
6.35
|
|
B542
|
1.3125
|
33.338
|
1.7500
|
44.450
|
0.281
|
7.14
|
0.25
|
6.35
|
|
B543
|
1.5625
|
39.688
|
2.0000
|
50.800
|
0.281
|
7.14
|
0.25
|
6.35
|
|
B544
|
1.8125 (1)
|
46.038 (1)
|
2.2500 (2)
|
57.150 (2)
|
0.281
|
7.14
|
0.25
|
6.35
|
|
B545
|
2.0625 (1)
|
52.388 (1)
|
2.6250 (2)
|
66.675 (2)
|
0.281
|
7.14
|
0.25
|
6.35
|
|
B546
|
2.3125 (1)
|
58.738 (1)
|
2.8750 (2)
|
73.025 (2)
|
0.281
|
7.14
|
0.25
|
6.35
|
|
Bearing
Number
|
Bore
|
Outside Diameter
|
Widths
|
|||||
|
d
|
D
|
B
|
C
|
|||||
|
+0.0007,-.0007
+0.018,-.018 |
+0.0000,-.0010
+0.000,-.025 |
+0.000,-0.005
+0.00,-.13 |
+0.000,-.005
+0.00,-.13 |
|||||
|
|
in.
|
mm
|
in.
|
mm
|
in.
|
mm
|
in.
|
mm
|
|
B538
|
0.6250
|
15.875
|
1.0625
|
26.988
|
0.281
|
7.14
|
0.25
|
6.35
|
|
B539
|
0.7500
|
19.050
|
1.1875
|
30.162
|
0.281
|
7.14
|
0.25
|
6.35
|
|
B540
|
0.8750
|
22.225
|
1.3125
|
33.338
|
0.281
|
7.14
|
0.25
|
6.35
|
|
B541
|
1.0625
|
26.988
|
1.5000
|
38.100
|
0.281
LS |







