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Double Concentric Stainless Two-Bolt Pillow Block
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ENGINEERED BEARINGS
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Mounted Bearings
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Mounted Solid-Block Spherical Roller Bearings
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Double Concentric Solid-Block Mounted Bearings
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Double Concentric Stainless Two-Bolt Pillow Block
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Part Number QAAP11A204S - Stainless
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Part Number QAAP11A204S - Stainless, Double Concentric Stainless Two-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
22211
Shaft Size
2 1/4
in
Shaft Size Type
Imperial
Full Timken Part Number
QAAP11A204SBSS
QAAP11A204SCSS
QAAP11A204SEBSS
QAAP11A204SECSS
QAAP11A204SEMSS
QAAP11A204SENSS
QAAP11A204SEOSS
QAAP11A204SETSS
QAAP11A204SMSS
QAAP11A204SNSS
QAAP11A204SOSS
QAAP11A204STSS
Locking Style
Double Concentric
Housing Construction
Two-Bolt Pillow Block
UPC Code
0883450701969
0883450701976
0883450701983
0883450701990
0883450702003
0883450702010
0883450702027
0883450702034
0883450702041
0883450702058
0883450702065
0883450702072
Dimensions
Dimension A
2.5
in
63.5
mm
Dimension B
5.25
in
133.4
mm
Dimension C
3.25
in
82.6
mm
Dimension D Min
6.5
in
165.1
mm
Dimension D Max
7.88
in
200.2
mm
Dimension F
9.63
in
244.6
mm
Dimension G
2.63
in
66.8
mm
Dimension H
1.25
in
31.8
mm
Dimension J (Bolt Size)
0.625
in
16
mm
Dimension L
3.32
in
84.3
mm
Dimension M
2
in
50.8
mm
Dimension RAA
0.69
in
17.5
mm
Dimension SAA
4
in
101.6
mm
Radial and Thrust Factors
C0 - Static Load
31900
lbf
142000
N
C - Dynamic Load (Basic)
31400
lbf
140000
N
e - Geometry Factor
0.23
Y1 - Geometry Factor
2.95
Y2 - Geometry Factor
4.40
Engineering Seal Speed
Oil Lubrication - M/N Seal
2200
rpm
Oil Lubrication - T Seal
3800
rpm
Oil Lubrication - B/C/O Seal
1600
rpm
Grease Lubrication - M/N Seal
2200
rpm
Grease Lubrication - T Seal
3200
rpm
Grease Lubrication - B/C/O Seal
1600
rpm
Engineering Bearing Attributes
Float
0.050
in
1.270
mm
Shaft Tolerance
0.0015
in
0.038
mm
Engineering Internal Radial Clearance
Eng Internal Radial Clearance - Min
0.0016
Eng Internal Radial Clearance - Max
0.0026
Pre Install Clearance Min
0.0016
in
0.040
mm
Pre Install Clearance Max
0.0026
in
0.065
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
Stainless-Solid-Block-Mounted-SRB-Sell-Sheet_11229-POD
(PDF, 175KB)
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©
The Timken Company. ©
The Timken Company.
©
The Timken Company.