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Tapered Adapter Four Bolt Square Flange Block
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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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Tapered Adapter Solid-Block Mounted Bearings
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Tapered Adapter Four Bolt Square Flange Block
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Part Number TAFB20K308S
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Part Number TAFB20K308S, Tapered Adapter 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
3 1/2
in
Shaft Size Type
Imperial
Full Timken Part Number
TAFB20K308SB
TAFB20K308SC
TAFB20K308SEB
TAFB20K308SEC
TAFB20K308SEM
TAFB20K308SEN
TAFB20K308SEO
TAFB20K308SET
TAFB20K308SM
TAFB20K308SN
TAFB20K308SO
TAFB20K308ST
Locking Style
Tapered Adapter
Housing Construction
Four-Bolt Square Flange
UPC Code
0883450119771
0883450119788
0883450119801
0883450119818
0883450119825
0883450119832
0883450119849
0883450119856
0883450199377
0883450199575
0883450277013
0883450277211
Dimensions
Dimension A1
13.0
in
330.2
mm
Dimension BC
11.02
in
279.9
mm
Dimension C
5.12
in
130
mm
Dimension D
9.06
in
230.1
mm
Dimension E
7.79
in
197.9
mm
Dimension F
9.76
in
247.9
mm
Dimension H
1.13
in
28.7
mm
Dimension J (Bolt Size)
0.75
in
20
mm
Dimension G
1.25
in
31.75
mm
Dimension L
4.16
in
105.7
mm
Dimension M
2.3
in
58.4
mm
Dimension N
3.71
in
94.2
mm
Dimension S
3.82
in
97
mm
Radial and Thrust Factors
C0 - Static Load
113000
lbf
502000
N
C - Dynamic Load (Basic)
97700
lbf
435000
N
e - Geometry Factor
0.26
Y1 - Geometry Factor
2.55
Y2 - Geometry Factor
3.80
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
0.0040
in
0.102
mm
Engineering Internal Radial Clearance
Pre Install Clearance Min
0.0043
in
0.110
mm
Pre Install Clearance Max
0.0055
in
0.140
mm
VIEW CAD DRAWING
·
3D
·
2D Front View
·
2D Left View
·
2D Sales Drawing
DOWNLOADS
Bearing Life Calculation Tool
Eng Seal Temperatures
TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS
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©
The Timken Company. ©
The Timken Company.
©
The Timken Company.