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Tapered Roller Bearings - TS (Tapered Single) Imperial
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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 LM503349A - JLM503319
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Part Number LM503349A - JLM503319, 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
LM503300
Cone Part Number
LM503349A
Cup Part Number
JLM503319
Design Unit
Inch
Cage Material
Stamped Steel
Dimensions
d - Bore
1.8105
in
45.987
mm
D - Cup Outer Diameter
3.3465
in
85.001
mm
B - Cone Width
0.7087
in
18.001
mm
C - Cup Width
0.5512
in
14
mm
T - Bearing Width
0.7086
in
17.998
mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius
1
0
in
0
mm
r - Cup Backface "To Clear" Radius
2
0.010
in
0.25
mm
da - Cone Frontface Backing Diameter
2.01
in
51
mm
db - Cone Backface Backing Diameter
2.24
in
57
mm
Da - Cup Frontface Backing Diameter
3.03
in
76.96
mm
Db - Cup Backface Backing Diameter
2.87
in
72.90
mm
Ab - Cage-Cone Frontface Clearance
0.09
in
2.3
mm
Aa - Cage-Cone Backface Clearance
0.02
in
0.5
mm
a - Effective Center Location
3
-0.08
in
-2
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
3930
lbf
17500
N
C1 - Dynamic Radial Rating (1 million revolutions)
2
15100
lbf
67400
N
C0 - Static Radial Rating
17000
lbf
75400
N
C
a90
- Dynamic Thrust Rating (90 million revolutions)
3
2700
lbf
12000
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
1.45
e - ISO Factor
2
0.4
Y - ISO Factor
3
1.49
G1 - Heat Generation Factor (Roller-Raceway)
28.3
G2 - Heat Generation Factor (Rib-Roller End)
22.5
Cg - Geometry Factor
4
0.0789
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
·
2D Sectional View
·
2D Sales Drawing
DOWNLOADS
Tapered Roller Bearing Engineering Information
(PDF, 663KB)
Bearing Life Calculation Tool
Bearing Dimensional Tolerances
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