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Double Concentric Round Flange 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
>
Double Concentric Round Flange Block
>
Part Number QAAFY18A307S
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Part Number QAAFY18A307S, Double Concentric Round 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
22218
Shaft Size
3 7/16
in
Shaft Size Type
Imperial
Full Timken Part Number
QAAFY18A307SB
QAAFY18A307SC
QAAFY18A307SEB
QAAFY18A307SEC
QAAFY18A307SEM
QAAFY18A307SEN
QAAFY18A307SEO
QAAFY18A307SET
QAAFY18A307SM
QAAFY18A307SN
QAAFY18A307SO
QAAFY18A307ST
Locking Style
Double Concentric
Housing Construction
Round Flange
UPC Code
0883450022903
0883450022910
0883450022934
0883450022941
0883450022958
0883450022965
0883450022972
0883450022989
0883450192514
0883450192699
0883450269711
0883450269896
Dimensions
Dimension BC
9.5
in
241.3
mm
Dimension C
5.13
in
130.3
mm
Dimension D
7.63
in
193.8
mm
Dimension E
6.72
in
170.7
mm
Dimension F
11.13
in
282.7
mm
Dimension H
1.13
in
28.7
mm
Dimension J (Bolt Size)
0.875
in
24
mm
Dimension L Exp
4.36
in
110.7
mm
Dimension L Fix
4.28
in
108.7
mm
Dimension M
2.59
in
65.8
mm
Dimension N
3.36
in
85.3
mm
Dimension RAA
0.9
in
22.9
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
TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS
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The Timken Company. ©
The Timken Company.
©
The Timken Company.