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Double Concentric Take-Up 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 Take-Up Block
>
Part Number QAATU18A303S
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Part Number QAATU18A303S, Double Concentric Take-Up Block
larger image
larger image
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 3/16
in
Shaft Size Type
Imperial
Full Timken Part Number
QAATU18A303SB
QAATU18A303SC
QAATU18A303SEB
QAATU18A303SEC
QAATU18A303SEM
QAATU18A303SEN
QAATU18A303SEO
QAATU18A303SET
QAATU18A303SM
QAATU18A303SN
QAATU18A303SO
QAATU18A303ST
Locking Style
Double Concentric
Housing Construction
Take-Up
UPC Code
0883450323468
0883450323475
0883450323482
0883450323499
0883450323505
0883450323512
0883450323529
0883450323536
0883450323543
0883450323550
0883450323567
0883450323574
Dimensions
Dimension A1
3.63
in
92.2
mm
Dimension C
1
in
25.4
mm
Dimension D
7.63
in
193.8
mm
Dimension E
6.81
in
173
mm
Dimension F
1.81
in
46
mm
Dimension G
1.88
in
47.8
mm
Dimension J
4.88
in
124
mm
Dimension L
10.12
in
257
mm
Dimension M
2.59
in
65.8
mm
Dimension N
4.22
in
107.2
mm
Dimension P
6.25
in
158.8
mm
Dimension S
1.81
in
46
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
0.08
in
2.03
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
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.