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Eccentric Cartridge 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 Cartridge Block
>
Part Number QMMC20J312S
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Part Number QMMC20J312S, Eccentric Cartridge 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
QMMC20J312SB
QMMC20J312SC
QMMC20J312SEB
QMMC20J312SEC
QMMC20J312SEM
QMMC20J312SEN
QMMC20J312SEO
QMMC20J312SET
QMMC20J312SM
QMMC20J312SN
QMMC20J312SO
QMMC20J312ST
Locking Style
Eccentric
Housing Construction
Cartridge
UPC Code
0883450078726
0883450078733
0883450078757
0883450078764
0883450078771
0883450078788
0883450078795
0883450078801
0883450168045
0883450168724
0883450259842
0883450260329
Dimensions
Dimension A
0.78
in
19.8
mm
Dimension B
1.28
in
32.5
mm
Dimension C
6
in
152.4
mm
Dimension D
0.31
in
7.9
mm
Dimension F
8.1250
in
206.4
mm
Dimension G
4.14
in
105.2
mm
Dimension K
1.63
in
41.4
mm
Dimension L Exp
5.12
in
130
mm
Dimension L Fix
5.039
in
128
mm
Dimension M
2.96
in
75.2
mm
Dimension R
0.45
in
11.4
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.