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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 QAAPX20A400S
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Part Number QAAPX20A400S, 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
22220
Shaft Size
4
in
Shaft Size Type
Imperial
Full Timken Part Number
QAAPX20A400SB
QAAPX20A400SC
QAAPX20A400SEB
QAAPX20A400SEC
QAAPX20A400SEM
QAAPX20A400SEN
QAAPX20A400SEO
QAAPX20A400SET
QAAPX20A400SM
QAAPX20A400SN
QAAPX20A400SO
QAAPX20A400ST
Locking Style
Double Concentric
Housing Construction
Four-Bolt Pillow Block
UPC Code
0883450013918
0883450013925
0883450013932
0883450013956
0883450014007
0883450014014
0883450014021
0883450014038
0883450014045
0883450014069
0883450267724
0883450267946
Dimensions
Dimension A
5
in
127
mm
Dimension B
9.44
in
239.8
mm
Dimension C
6
in
152.4
mm
Dimension D Min
12.5
in
317.5
mm
Dimension D Max
14
in
355.6
mm
Dimension E
3.5
in
88.9
mm
Dimension F
16.75
in
425.5
mm
Dimension G
5.5
in
139.7
mm
Dimension H
1.63
in
41.4
mm
Dimension J (Bolt Size)
0.875
in
24
mm
Dimension L
5.71
in
145
mm
Dimension M
2.96
in
75.2
mm
Dimension RAA
1
in
25.4
mm
Dimension SAA
5.92
in
150.4
mm
Radial and Thrust Factors
C0 - Static Load
113000
lbf
502000
N
C - Dynamic Load (Basic)
97700
lbf
435000
N
e - Geometry Factor
0.24
Y1 - Geometry Factor
2.85
Y2 - Geometry Factor
4.24
Engineering Seal Speed
Oil Lubrication - M/N Seal
1200
rpm
Oil Lubrication - T Seal
2000
rpm
Oil Lubrication - B/C/O Seal
900
rpm
Grease Lubrication - M/N Seal
1200
rpm
Grease Lubrication - T Seal
1600
rpm
Grease Lubrication - B/C/O Seal
900
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
0.0030
Eng Internal Radial Clearance - Max
0.0047
Pre Install Clearance Min
0.0030
in
0.075
mm
Pre Install Clearance Max
0.0047
in
0.120
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.