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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
>
Part Number QAAPX22A408S
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Part Number QAAPX22A408S, 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
22222
Shaft Size
4 1/2
in
Shaft Size Type
Imperial
Full Timken Part Number
QAAPX22A408SB
QAAPX22A408SC
QAAPX22A408SEB
QAAPX22A408SEC
QAAPX22A408SEM
QAAPX22A408SEN
QAAPX22A408SEO
QAAPX22A408SET
QAAPX22A408SM
QAAPX22A408SN
QAAPX22A408SO
QAAPX22A408ST
Locking Style
Double Concentric
Housing Construction
Four-Bolt Pillow Block
UPC Code
0883450304184
0883450304191
0883450304207
0883450304214
0883450304221
0883450304238
0883450304245
0883450304252
0883450304269
0883450304276
0883450304283
0883450304290
Dimensions
Dimension A
5-3/4
in
146.1
mm
Dimension B
10.78
in
273.8
mm
Dimension C
6.29
in
159.8
mm
Dimension D Min
13.94
in
354.1
mm
Dimension D Max
15.56
in
395.2
mm
Dimension E
4
in
101.6
mm
Dimension F
18.5
in
469.9
mm
Dimension G
6-1/4
in
158.8
mm
Dimension H
1.8
in
45.7
mm
Dimension J (Bolt Size)
1
in
24
mm
Dimension L
6.25
in
158.8
mm
Dimension M
3.13
in
79.5
mm
Dimension RAA
1.13
in
28.7
mm
Dimension SAA
6.25
in
158.8
mm
Radial and Thrust Factors
C0 - Static Load
147000
lbf
653000
N
C - Dynamic Load (Basic)
125000
lbf
555000
N
e - Geometry Factor
0.25
Y1 - Geometry Factor
2.73
Y2 - Geometry Factor
4.06
Engineering Seal Speed
Oil Lubrication - M/N Seal
900
rpm
Oil Lubrication - T Seal
1700
rpm
Oil Lubrication - B/C/O Seal
600
rpm
Grease Lubrication - M/N Seal
900
rpm
Grease Lubrication - T Seal
1200
rpm
Grease Lubrication - B/C/O Seal
600
rpm
Engineering Bearing Attributes
Float
0.083
in
2.108
mm
Shaft Tolerance
0.0050
in
0.127
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
Primary Sealing
(PDF, 411KB)
Secondary Sealing
(PDF, 720KB)
TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS
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©
The Timken Company. ©
The Timken Company.
©
The Timken Company.