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Single Concentric Four Bolt Square Flange Block
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All Product Types
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ENGINEERED BEARINGS
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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 Four Bolt Square Flange Block
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Part Number QAF20A400S
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Part Number QAF20A400S, Single Concentric Four Bolt Square Flange 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
4
in
Shaft Size Type
Imperial
Full Timken Part Number
QAF20A400SB
QAF20A400SBNG
QAF20A400SC
QAF20A400SEB
QAF20A400SEC
QAF20A400SEM
QAF20A400SEN
QAF20A400SEO
QAF20A400SET
QAF20A400SM
QAF20A400SN
QAF20A400SO
QAF20A400ST
Locking Style
Single Concentric
Housing Construction
Four-Bolt Square Flange
UPC Code
0883450039307
0883450039314
0883450039338
0883450039345
0883450039352
0883450039369
0883450039376
0883450039383
0883450190770
0883450190930
0883450268134
0883450268295
0883450952781
Dimensions
Dimension BC
10.96
in
278.4
mm
Dimension C
6
in
152.4
mm
Dimension D
8.5
in
215.9
mm
Dimension E
7.75
in
196.9
mm
Dimension F
9.97
in
253.2
mm
Dimension H
1.5
in
38.1
mm
Dimension J (Bolt Size)
0.875
in
24
mm
Dimension KA
1.63
in
41.4
mm
Dimension L Exp
5.04
in
128
mm
Dimension L Fix
4.96
in
126
mm
Dimension M
2.97
in
75.4
mm
Dimension N
4.06
in
103.1
mm
Dimension RA
0.37
in
9.4
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
2.84
Y2 - Geometry Factor
4.23
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
0.003
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.