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Eccentric Piloted Flange Cartridge
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ENGINEERED BEARINGS
>
Mounted Bearings
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Mounted Solid-Block Spherical Roller Bearings
>
Eccentric Solid-Block Mounted Bearings
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Eccentric Piloted Flange Cartridge
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Part Number QMCW20J312S
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Part Number QMCW20J312S, Eccentric Piloted Flange Cartridge
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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
QMCW20J312SB
QMCW20J312SC
QMCW20J312SEB
QMCW20J312SEC
QMCW20J312SEM
QMCW20J312SEN
QMCW20J312SEO
QMCW20J312SET
QMCW20J312SM
QMCW20J312SN
QMCW20J312SO
QMCW20J312ST
Locking Style
Eccentric
Housing Construction
Piloted Flange Cartridge
UPC Code
0883450064026
0883450064033
0883450064057
0883450064064
0883450064071
0883450064088
0883450064095
0883450064101
0883450166645
0883450167369
0883450258821
0883450259361
Dimensions
Dimension BC
9.38
in
238.3
mm
Dimension B Exp
2.58
in
65.5
mm
Dimension B Fix
2.5
in
63.5
mm
Dimension C
6
in
152.4
mm
Dimension D
8.13
in
206.5
mm
Dimension E
6.63
in
168.4
mm
Dimension F
10.88
in
276.4
mm
Dimension G
8.125
in
206.4
mm
Dimension H
1
in
25.4
mm
Dimension J (Bolt Size)
0.75
in
20
mm
Dimension K
1.63
in
41.4
mm
Dimension L Exp
4.83
in
122.7
mm
Dimension L Fix
4.75
in
120.7
mm
Dimension M
2.96
in
75.2
mm
Dimension N
2.25
in
57.2
mm
Dimension R
0.16
in
4.1
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
DOWNLOADS
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The Timken Company. ©
The Timken Company.
©
The Timken Company.