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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 DVF20K308S
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Part Number DVF20K308S, 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
DVF20K308SB
DVF20K308SC
DVF20K308SEB
DVF20K308SEC
DVF20K308SEM
DVF20K308SEN
DVF20K308SEO
DVF20K308SET
DVF20K308SM
DVF20K308SN
DVF20K308SO
DVF20K308ST
Locking Style
Tapered Adapter
Housing Construction
Four-Bolt Square Flange
UPC Code
0883450006927
0883450006934
0883450006958
0883450006965
0883450006972
0883450006989
0883450006996
0883450007009
0883450196567
0883450196765
0883450274074
0883450274272
Dimensions
Dimension BC
9.9
in
251.5
mm
Dimension C
5.12
in
130
mm
Dimension D
7.63
in
193.8
mm
Dimension E
7
in
177.8
mm
Dimension F
8.63
in
219.2
mm
Dimension H
1.31
in
33.3
mm
Dimension J (Bolt Size)
0.75
in
20
mm
Dimension L
3.97
in
100.9
mm
Dimension M
2.3
in
58.4
mm
Dimension N
3.31
in
84.1
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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