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Tapered Roller Bearings - TS (Tapered Single) Imperial
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ENGINEERED BEARINGS
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Tapered Roller Bearings
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Tapered Roller Bearings - TS (Tapered Single)
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Tapered Roller Bearings - TS (Tapered Single) Imperial
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Part Number EE647220 - 647285
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Part Number EE647220 - 647285, Tapered Roller Bearings - TS (Tapered Single) Imperial
This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.
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Unit of Measure:
Imperial
Metric
Both
Specifications
·
Dimensions
·
Abutment and Fillet Dimensions
·
Basic Load Ratings
·
Factors
Specifications
Series
647000
Cone Part Number
EE647220
Cup Part Number
647285
Design Unit
Inch
Cage Material
Pin-Type
Related Assembly Number(s)
EE647220-902A2
Dimensions
d - Bore
22
in
558.8
mm
D - Cup Outer Diameter
28.5000
in
723.900
mm
B - Cone Width
2.875
in
73.025
mm
C - Cup Width
2.2500
in
57.150
mm
T - Bearing Width
2.8750
in
73.025
mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius
1
0.190
in
4.830
mm
r - Cup Backface "To Clear" Radius
2
0.190
in
4.83
mm
da - Cone Frontface Backing Diameter
22.91
in
582
mm
db - Cone Backface Backing Diameter
23.15
in
588
mm
Da - Cup Frontface Backing Diameter
27.64
in
702.10
mm
Db - Cup Backface Backing Diameter
27.05
in
687.07
mm
Ab - Cage-Cone Frontface Clearance
0.21
in
5.33
mm
Aa - Cage-Cone Backface Clearance
0.26
in
6.6
mm
a - Effective Center Location
3
2.54
in
64.5
mm
1
These maximum fillet radii will be cleared by the bearing corners.
2
These maximum fillet radii will be cleared by the bearing corners.
3
Negative value indicates effective center inside cone backface.
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)
1
89500
lbf
398000
N
C1 - Dynamic Radial Rating (1 million revolutions)
2
345000
lbf
1540000
N
C0 - Static Radial Rating
773000
lbf
3440000
N
C
a90
- Dynamic Thrust Rating (90 million revolutions)
3
75700
lbf
337000
N
1
Based on 90 x 10
6
revolutions L
10
life, for The Timken Company life calculation method. C
90
and C
a90
are radial and thrust values.
2
Based on 1 x 10
6
revolutions L
10
life, for the ISO life calculation method.
3
Based on 90 x 10
6
revolutions L
10
life, for The Timken Company life calculation method. C
90
and C
a90
are radial and thrust values for a single-row, C
90(2)
is the two-row radial value.
Factors
K - Factor
1
1.18
e - ISO Factor
2
0.49
Y - ISO Factor
3
1.21
G1 - Heat Generation Factor (Roller-Raceway)
5590
G2 - Heat Generation Factor (Rib-Roller End)
804.2
Cg - Geometry Factor
4
0.257
1
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
2
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
3
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
4
Geometry constant for Lubrication Life Adjustment Factor a3l.
VIEW CAD DRAWING
·
3D
·
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·
2D Sales Drawing
DOWNLOADS
Tapered Roller Bearing Engineering Information
(PDF, 663KB)
Bearing Life Calculation Tool
Bearing Dimensional Tolerances
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