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Part Number QACW20A311S
Part Number QACW20A311S, Single Concentric Piloted Flange Cartridge
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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 11/16
in
Shaft Size Type
Imperial
Full Timken Part Number
QACW20A311SM
Locking Style
Single Concentric
Housing Construction
Piloted Flange Cartridge
UPC Code
883450829953
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 KA
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
2.97
in
75.4
mm
Dimension N
2.25
in
57.2
mm
Dimension RA
0.16
in
4.1
mm
Dimension SA
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
MORE IMAGES
·
Single Concentric Piloted Flange Cartridge - Dimensional Drawing
VIEW CAD DRAWING
·
3D
·
2D Front View
·
2D Left View
·
2D Sales Drawing
DOWNLOADS
Bearing Life Calculation Tool
Primary Sealing
(PDF, 280KB)
TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS
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