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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
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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 QAAPX18A090S
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Part Number QAAPX18A090S, 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
90
mm
Shaft Size Type
Metric
Full Timken Part Number
QAAPX18A090SB
QAAPX18A090SC
QAAPX18A090SEB
QAAPX18A090SEC
QAAPX18A090SEM
QAAPX18A090SEN
QAAPX18A090SEO
QAAPX18A090SET
QAAPX18A090SM
QAAPX18A090SN
QAAPX18A090SO
QAAPX18A090ST
Locking Style
Double Concentric
Housing Construction
Four-Bolt Pillow Block
UPC Code
0883450011341
0883450011419
0883450011440
0883450011518
0883450011525
0883450011532
0883450011549
0883450011556
0883450011563
0883450011938
0883450267687
0883450267908
Dimensions
Dimension A
4
in
101.6
mm
Dimension B
7.92
in
201.2
mm
Dimension C
5.13
in
130.3
mm
Dimension D Min
10.81
in
274.6
mm
Dimension D Max
12.19
in
309.6
mm
Dimension E
3
in
76.2
mm
Dimension F
15
in
381
mm
Dimension G
4.75
in
120.7
mm
Dimension H
1.5
in
38.1
mm
Dimension J (Bolt Size)
0.75
in
20
mm
Dimension L
4.97
in
126.2
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.