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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 QAF15A212S
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Part Number QAF15A212S, 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
22215
Shaft Size
2 3/4
in
Shaft Size Type
Imperial
Full Timken Part Number
QAF15A212SB
QAF15A212SC
QAF15A212SEB
QAF15A212SEC
QAF15A212SEM
QAF15A212SEN
QAF15A212SEO
QAF15A212SET
QAF15A212SM
QAF15A212SMNP
QAF15A212SN
QAF15A212SO
QAF15A212ST
Locking Style
Single Concentric
Housing Construction
Four-Bolt Square Flange
UPC Code
0883450325622
0883450325639
0883450325646
0883450325653
0883450325660
0883450325677
0883450325684
0883450325691
0883450325707
0883450325714
0883450325721
0883450325738
0883450959193
Dimensions
Dimension BC
8.48
in
215.4
mm
Dimension C
4.5
in
114.3
mm
Dimension D
6.65
in
168.9
mm
Dimension E
6
in
152.4
mm
Dimension F
7.44
in
189
mm
Dimension H
1.06
in
26.9
mm
Dimension J (Bolt Size)
0.75
in
20
mm
Dimension KA
1.25
in
31.8
mm
Dimension L Exp
3.85
in
97.8
mm
Dimension L Fix
3.77
in
95.8
mm
Dimension M
2.37
in
60.2
mm
Dimension N
2.84
in
72.1
mm
Dimension RA
0.15
in
3.8
mm
Dimension SA
3.62
in
91.9
mm
Radial and Thrust Factors
C0 - Static Load
54100
lbf
240000
N
C - Dynamic Load (Basic)
49900
lbf
222000
N
e - Geometry Factor
0.22
Y1 - Geometry Factor
3.01
Y2 - Geometry Factor
4.48
Engineering Seal Speed
Oil Lubrication - M/N Seal
1600
rpm
Oil Lubrication - T Seal
2900
rpm
Oil Lubrication - B/C/O Seal
1300
rpm
Grease Lubrication - M/N Seal
1600
rpm
Grease Lubrication - T Seal
2400
rpm
Grease Lubrication - B/C/O Seal
1300
rpm
Engineering Bearing Attributes
Float
0.083
in
2.108
mm
Shaft Tolerance
0.0020
in
0.051
mm
Engineering Internal Radial Clearance
Eng Internal Radial Clearance - Min
0.002
Eng Internal Radial Clearance - Max
0.0031
Pre Install Clearance Min
0.0020
in
0.050
mm
Pre Install Clearance Max
0.0031
in
0.080
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.