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Single 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
>
Single Concentric Solid-Block Mounted Bearings
>
Single Concentric Round Flange Block
>
Part Number QAFY18A307S
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Part Number QAFY18A307S, Single 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
QAFY18A307SB
QAFY18A307SC
QAFY18A307SEB
QAFY18A307SEC
QAFY18A307SEM
QAFY18A307SEN
QAFY18A307SEO
QAFY18A307SET
QAFY18A307SM
QAFY18A307SN
QAFY18A307SO
QAFY18A307ST
Locking Style
Single Concentric
Housing Construction
Round Flange
UPC Code
0883450042208
0883450042215
0883450042246
0883450042253
0883450042260
0883450042277
0883450042284
0883450192033
0883450192194
0883450192354
0883450269391
0883450269551
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 KA
1.44
in
36.6
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 RA
0.25
in
6.4
mm
Dimension SA
4.03
in
102.4
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
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The Timken Company. ©
The Timken Company.
©
The Timken Company.