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Eccentric Flange Block
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All Product Types
>
ENGINEERED BEARINGS
>
Mounted Bearings
>
Mounted Solid-Block Spherical Roller Bearings
>
Eccentric Solid-Block Mounted Bearings
>
Eccentric Flange Block
>
Part Number QMFX20J312S
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Part Number QMFX20J312S, Eccentric 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
22220
Shaft Size
3 3/4
in
Shaft Size Type
Imperial
Full Timken Part Number
QMFX20J312SB
QMFX20J312SC
QMFX20J312SEB
QMFX20J312SEC
QMFX20J312SEM
QMFX20J312SEN
QMFX20J312SEO
QMFX20J312SET
QMFX20J312SM
QMFX20J312SN
QMFX20J312SO
QMFX20J312ST
Locking Style
Eccentric
Housing Construction
Flange Block
UPC Code
0883450144766
0883450144773
0883450144780
0883450144797
0883450144803
0883450144810
0883450144827
0883450144834
0883450164924
0883450165426
0883450257220
0883450257640
Dimensions
Dimension BC
11-3/4
in
298.5
mm
Dimension C
6
in
152.4
mm
Dimension D
8.5
in
215.9
mm
Dimension E
8.31
in
211.1
mm
Dimension F
10.56
in
268.2
mm
Dimension H
1.5
in
38.1
mm
Dimension J (Bolt Size)
0.875
in
24
mm
Dimension K
1.63
in
41.4
mm
Dimension L Exp
5.04
in
128
mm
Dimension L Fix
4.96
in
126
mm
Dimension M
2.96
in
75.2
mm
Dimension N
4.06
in
103.1
mm
Dimension R
0.37
in
9.4
mm
Dimension S
4.6
in
116.8
mm
Radial and Thrust Factors
C0 - Static Load
113000
lbf
502000
N
C - Dynamic Load (Basic)
97700
lbf
435000
N
e - Geometry Factor
0.24
Y1 - Geometry Factor
2.84
Y2 - Geometry Factor
4.23
Engineering Seal Speed
Oil Lubrication - M/N Seal
1200
rpm
Oil Lubrication - T Seal
2000
rpm
Oil Lubrication - B/C/O Seal
900
rpm
Grease Lubrication - M/N Seal
1200
rpm
Grease Lubrication - T Seal
1600
rpm
Grease Lubrication - B/C/O Seal
900
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
0.003
Eng Internal Radial Clearance - Max
0.0047
Pre Install Clearance Min
0.0030
in
0.075
mm
Pre Install Clearance Max
0.0047
in
0.120
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.