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Eccentric Round Flange Block
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All Product Types
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ENGINEERED BEARINGS
>
Mounted Bearings
>
Mounted Solid-Block Spherical Roller Bearings
>
Eccentric Solid-Block Mounted Bearings
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Eccentric Round Flange Block
>
Part Number QMFY20J312S
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Part Number QMFY20J312S, Eccentric 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
22220
Shaft Size
3 3/4
in
Shaft Size Type
Imperial
Full Timken Part Number
QMFY20J312SB
QMFY20J312SC
QMFY20J312SEB
QMFY20J312SEC
QMFY20J312SEM
QMFY20J312SEN
QMFY20J312SEO
QMFY20J312SET
QMFY20J312SM
QMFY20J312SN
QMFY20J312SO
QMFY20J312ST
Locking Style
Eccentric
Housing Construction
Round Flange
UPC Code
0883450074926
0883450074933
0883450074957
0883450074964
0883450074971
0883450074988
0883450074995
0883450075008
0883450163811
0883450164344
0883450256179
0883450256698
Dimensions
Dimension BC
10.75
in
273.1
mm
Dimension C
6
in
152.4
mm
Dimension D
8.38
in
212.9
mm
Dimension E
7.6
in
193
mm
Dimension F
12.63
in
320.8
mm
Dimension H
1.13
in
28.7
mm
Dimension J (Bolt Size)
1
in
24
mm
Dimension K
1.63
in
41.4
mm
Dimension L Exp
4.95
in
125.7
mm
Dimension L Fix
4.87
in
123.7
mm
Dimension M
2.96
in
75.2
mm
Dimension N
3.81
in
96.8
mm
Dimension R
0.27
in
6.9
mm
Dimension S
4.59
in
116.6
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
2.85
Y2 - Geometry Factor
4.24
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
0.0030
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
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The Timken Company. ©
The Timken Company.
©
The Timken Company.