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Eccentric Two-Bolt Pillow Block
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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 Two-Bolt Pillow Block
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Part Number QMSN20J312S
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Part Number QMSN20J312S, Eccentric Two-Bolt Pillow 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
QMSN20J312SB
QMSN20J312SC
QMSN20J312SEB
QMSN20J312SEC
QMSN20J312SEM
QMSN20J312SEN
QMSN20J312SEO
QMSN20J312SET
QMSN20J312SM
QMSN20J312SN
QMSN20J312SO
QMSN20J312ST
Locking Style
Eccentric
Housing Construction
Two-Bolt Pillow Block
UPC Code
0883450307062
0883450307079
0883450307086
0883450307093
0883450307109
0883450307116
0883450307123
0883450307130
0883450307147
0883450307154
0883450307161
0883450307178
Dimensions
Dimension A
4.92
in
125
mm
Dimension B
9.49
in
241
mm
Dimension C
5.98
in
152
mm
Dimension D Min
12.56
in
319
mm
Dimension D Max
14.41
in
366
mm
Dimension F
16.14
in
410
mm
Dimension G
3.98
in
101
mm
Dimension H
1.97
in
50
mm
Dimension J (Bolt Size)
0.875
in
24
mm
Dimension K
1.61
in
41
mm
Dimension L
4.96
in
126
mm
Dimension M
2.95
in
75
mm
Dimension R
0.35
in
9
mm
Dimension S
4.57
in
116
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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Eng Seal Temperatures
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The Timken Company. ©
The Timken Company.
©
The Timken Company.