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Single Concentric Two-Bolt Pillow Block
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All Product Types
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ENGINEERED BEARINGS
>
Mounted Bearings
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Mounted Solid-Block Spherical Roller Bearings
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Single Concentric Solid-Block Mounted Bearings
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Single Concentric Two-Bolt Pillow Block
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Part Number QASN20A312S
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Part Number QASN20A312S, Single Concentric Two-Bolt Pillow Block
larger image
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
QASN20A312SB
QASN20A312SC
QASN20A312SEB
QASN20A312SEC
QASN20A312SEM
QASN20A312SEN
QASN20A312SEO
QASN20A312SET
QASN20A312SM
QASN20A312SN
QASN20A312SO
QASN20A312ST
Locking Style
Single Concentric
Housing Construction
Two-Bolt Pillow Block
UPC Code
883450355711
883450355728
883450355735
883450355742
883450355759
883450355766
883450355773
883450355780
883450355797
883450355803
883450355810
883450355827
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 KA
1.61
in
41
mm
Dimension L
4.96
in
126
mm
Dimension M
2.95
in
75
mm
Dimension RA
0.39
in
10
mm
Dimension SA
4.61
in
117
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
MORE IMAGES
·
Single Concentric Two-Bolt Pillow Block - Dimensional Drawing
VIEW CAD DRAWING
·
3D
·
2D Front View
·
2D Left View
·
2D Sales Drawing
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