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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 TAFNL12K055S
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Part Number TAFNL12K055S, Tapered Adapter Three Bolt Triangular Flange Block
larger image
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
22212
Shaft Size
55
mm
Shaft Size Type
Metric
Full Timken Part Number
TAFNL12K055S
TAFNL12K055SC
TAFNL12K055SEB
TAFNL12K055SEC
TAFNL12K055SEM
TAFNL12K055SEN
TAFNL12K055SEO
TAFNL12K055SET
TAFNL12K055SM
TAFNL12K055SN
TAFNL12K055SO
TAFNL12K055ST
Locking Style
Tapered Adapter
Housing Construction
Three-Bolt Triangular Flange
Dimensions
Dimension BC
7.09
in
180
mm
Dimension C
3.15
in
80
mm
Dimension D
5
in
127
mm
Dimension E
6.14
in
155.9
mm
Dimension F
8.27
in
210
mm
Dimension H
0.59
in
15
mm
Dimension J (Bolt Size)
0.5
in
12
mm
Dimension L
2.67
in
67.8
mm
Dimension M
1.48
in
37.5
mm
Dimension N
2.32
in
59
mm
Dimension S
2.44
in
62
mm
Radial and Thrust Factors
C0 - Static Load
39000
lbf
174000
N
C - Dynamic Load (Basic)
38100
lbf
169000
N
e - Geometry Factor
0.24
Y1 - Geometry Factor
2.86
Y2 - Geometry Factor
4.25
Engineering Seal Speed
Oil Lubrication - M/N Seal
2000
rpm
Oil Lubrication - T Seal
3500
rpm
Oil Lubrication - B/C/O Seal
1650
rpm
Grease Lubrication - M/N Seal
2000
rpm
Grease Lubrication - T Seal
3000
rpm
Grease Lubrication - B/C/O Seal
1550
rpm
Engineering Bearing Attributes
Float
0.050
in
1.270
mm
Shaft Tolerance
0.0015
in
0.038
mm
Engineering Internal Radial Clearance
Pre Install Clearance Min
0.0030
in
0.075
mm
Pre Install Clearance Max
0.0037
in
0.094
mm
VIEW CAD DRAWING
·
3D
·
2D Front View
·
2D Left View
·
2D Sales Drawing
DOWNLOADS
Bearing Life Calculation Tool
Eng Seal Temperatures
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The Timken Company. ©
The Timken Company.
©
The Timken Company.