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Double Concentric Hanger Block
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All Product Types
>
ENGINEERED BEARINGS
>
Mounted Bearings
>
Mounted Solid-Block Spherical Roller Bearings
>
Double Concentric Solid-Block Mounted Bearings
>
Double Concentric Hanger Block
>
Part Number QAAMH18A308S
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Part Number QAAMH18A308S, Double Concentric Hanger Block
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Unit of Measure:
Imperial
Metric
Both
Specifications
·
Dimensions
·
Radial and Thrust Factors
·
Engineering Seal Speed
·
Engineering Bearing Attributes
·
Engineering Internal Radial Clearance
Specifications
Engineering Group
Mounted Bearing
Bearing Number
22218
Shaft Size
3 1/2
in
Shaft Size Type
Imperial
Full Timken Part Number
QAAMH18A308SB
QAAMH18A308SC
QAAMH18A308SEB
QAAMH18A308SEC
QAAMH18A308SEM
QAAMH18A308SEN
QAAMH18A308SEO
QAAMH18A308SET
QAAMH18A308SM
QAAMH18A308SN
QAAMH18A308SO
QAAMH18A308ST
Locking Style
Double Concentric
UPC Code
0883450413688
0883450413695
0883450413701
0883450413718
0883450413725
0883450413732
0883450413749
0883450413756
0883450413763
0883450413770
0883450413787
0883450413794
Dimensions
Dimension A
6.31
in
160.3
mm
Dimension B
10 1/4
in
260.4
mm
Dimension C
5.13
in
130.3
mm
Dimension D
7.88
in
200.2
mm
Dimension E
2.5
in
63.5
mm
Dimension F
3
in
76.2
mm
Dimension G
3
in
76.2
mm
Dimension L
3.91
in
99.3
mm
Dimension M
2.59
in
65.8
mm
Dimension RAA
1.27
in
32.3
mm
Dimension SAA
5.18
in
131.6
mm
Thread Size J
1 1/4-7UNC
Radial and Thrust Factors
C0 - Static Load
87200
lbf
388000
N
C - Dynamic Load (Basic)
79700
lbf
355000
N
e - Geometry Factor
0.23
Y1 - Geometry Factor
2.90
Y2 - Geometry Factor
4.31
Engineering Seal Speed
Oil Lubrication - M/N Seal
1400
rpm
Oil Lubrication - T Seal
2400
rpm
Oil Lubrication - B/C/O Seal
1000
rpm
Grease Lubrication - M/N Seal
1400
rpm
Grease Lubrication - T Seal
2000
rpm
Grease Lubrication - B/C/O Seal
1000
rpm
Engineering Bearing Attributes
Float
0.083
in
2.108
mm
Shaft Tolerance
0.0030
in
0.076
mm
Engineering Internal Radial Clearance
Eng Internal Radial Clearance - Min
0.0024
Eng Internal Radial Clearance - Max
0.0039
Pre Install Clearance Min
0.0024
in
0.060
mm
Pre Install Clearance Max
0.0039
in
0.100
mm
VIEW CAD DRAWING
·
3D
·
2D Front View
·
2D Left View
·
2D Sales Drawing
DOWNLOADS
Bearing Life Calculation Tool
Eng Seal Temperatures
TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS
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©
The Timken Company. ©
The Timken Company.
©
The Timken Company.