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Single Concentric Flange Block
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All Product Types
>
ENGINEERED BEARINGS
>
Mounted Bearings
>
Mounted Solid-Block Spherical Roller Bearings
>
Single Concentric Solid-Block Mounted Bearings
>
Single Concentric Flange Block
>
Part Number QAFL18A307S
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Part Number QAFL18A307S, Single Concentric 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
QAFL18A307SB
QAFL18A307SBT
QAFL18A307SC
QAFL18A307SEB
QAFL18A307SEC
QAFL18A307SEM
QAFL18A307SEMNP
QAFL18A307SEN
QAFL18A307SEO
QAFL18A307SET
QAFL18A307SM
QAFL18A307SMNP
QAFL18A307SN
QAFL18A307SO
QAFL18A307ST
QAFL18A307STNG
Locking Style
Single Concentric
Housing Construction
Flange Block
UPC Code
0883450040600
0883450040617
0883450040631
0883450040648
0883450040655
0883450040662
0883450040679
0883450040686
0883450191395
0883450191555
0883450268752
0883450268912
0883450459198
0883450492584
0883450492607
0883450959308
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
8.38
in
212.9
mm
Dimension H
1.28
in
32.5
mm
Dimension J (Bolt Size)
0.75
in
20
mm
Dimension KA
1.44
in
36.6
mm
Dimension L Exp
4.27
in
108.5
mm
Dimension L Fix
4.19
in
106.4
mm
Dimension M
2.59
in
65.8
mm
Dimension N
3.4
in
86.4
mm
Dimension RA
0.16
in
4.1
mm
Dimension SA
4.03
in
102.4
mm
Dimension G
7.375
in
187.33
mm
Radial and Thrust Factors
C0 - Static Load
48600
lbf
216000
N
C - Dynamic Load (Basic)
46400
lbf
206000
N
e - Geometry Factor
0.25
Y1 - Geometry Factor
2.69
Y2 - Geometry Factor
4.00
Engineering Seal Speed
Oil Lubrication - M/N Seal
1800
rpm
Oil Lubrication - T Seal
3200
rpm
Oil Lubrication - B/C/O Seal
1500
rpm
Grease Lubrication - M/N Seal
1800
rpm
Grease Lubrication - T Seal
2800
rpm
Grease Lubrication - B/C/O Seal
1500
rpm
Engineering Bearing Attributes
Float
0.083
in
2.108
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
0.0024
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
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.