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Double Concentric Four-Bolt Pillow Block
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All Product Types
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ENGINEERED BEARINGS
>
Mounted Bearings
>
Mounted Solid-Block Spherical Roller Bearings
>
Double Concentric Solid-Block Mounted Bearings
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Double Concentric Four-Bolt Pillow Block
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Part Number QAAPR18A080S
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Part Number QAAPR18A080S, Double Concentric Four-Bolt Pillow 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
80
mm
Shaft Size Type
Metric
Full Timken Part Number
QAAPR18A080SB
QAAPR18A080SC
QAAPR18A080SEB
QAAPR18A080SEC
QAAPR18A080SEM
QAAPR18A080SEN
QAAPR18A080SEO
QAAPR18A080SET
QAAPR18A080SM
QAAPR18A080SN
QAAPR18A080SO
QAAPR18A080ST
Locking Style
Double Concentric
Housing Construction
Four-Bolt Pillow Block
UPC Code
0883450321891
0883450321907
0883450321914
0883450321921
0883450321938
0883450321945
0883450321952
0883450321969
0883450321976
0883450321983
0883450321990
0883450322003
Dimensions
Dimension A
3.75
in
95.3
mm
Dimension B
7.69
in
195.3
mm
Dimension C
5.13
in
130.3
mm
Dimension D Min
9.25
in
235
mm
Dimension D Max
11.25
in
285.8
mm
Dimension E
2.38
in
60.5
mm
Dimension F
13.63
in
346.2
mm
Dimension G
3.75
in
95.3
mm
Dimension H
1.56
in
39.6
mm
Dimension J (Bolt Size)
0.75
in
20
mm
Dimension L
4.47
in
113.5
mm
Dimension M
2.59
in
65.8
mm
Dimension RAA
0.84
in
21.3
mm
Dimension SAA
5.18
in
131.6
mm
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
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The Timken Company. ©
The Timken Company.
©
The Timken Company.