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Single Concentric Four Bolt Square Flange Block
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All Product Types
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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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Single Concentric Solid-Block Mounted Bearings
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Single Concentric Four Bolt Square Flange Block
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Part Number QAF11A203S
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Part Number QAF11A203S, Single Concentric Four Bolt Square Flange 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 3/16
in
Shaft Size Type
Imperial
Full Timken Part Number
QAF11A203SB
QAF11A203SC
QAF11A203SEB
QAF11A203SEC
QAF11A203SEM
QAF11A203SEN
QAF11A203SEO
QAF11A203SET
QAF11A203SM
QAF11A203SN
QAF11A203SO
QAF11A203ST
Locking Style
Single Concentric
Housing Construction
Four-Bolt Square Flange
UPC Code
0883450038102
0883450038119
0883450038133
0883450038140
0883450038157
0883450038164
0883450038171
0883450038188
0883450190657
0883450190817
0883450268011
0883450268172
Dimensions
Dimension BC
6.89
in
175
mm
Dimension C
3.25
in
82.6
mm
Dimension D
5.13
in
130.3
mm
Dimension E
4.88
in
124
mm
Dimension F
6.19
in
157.2
mm
Dimension H
1
in
25.4
mm
Dimension J (Bolt Size)
0.625
in
16
mm
Dimension KA
1.13
in
28.7
mm
Dimension L Exp
3.35
in
85.1
mm
Dimension L Fix
3.27
in
83.1
mm
Dimension M
2
in
50.8
mm
Dimension N
2.63
in
66.8
mm
Dimension RA
0.15
in
3.8
mm
Dimension SA
3.13
in
79.5
mm
Radial and Thrust Factors
C0 - Static Load
31900
lbf
142000
N
C - Dynamic Load (Basic)
31400
lbf
140000
N
e - Geometry Factor
0.25
Y1 - Geometry Factor
2.74
Y2 - Geometry Factor
4.08
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
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©
The Timken Company. ©
The Timken Company.
©
The Timken Company.