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Part Number JW5049
Part Number JW5049, Tapered Roller Bearings - Single Cones - Metric
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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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Specifications
·
Dimensions
·
Abutment and Fillet Dimensions
·
Basic Load Ratings
·
Factors
Specifications
Series
JW5000
Cone Part Number
JW5049
Design Units
METRIC
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)
1
246000
N
55400
lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)
2
63900
N
14400
lbf
Full Timken Part Number
JW5000
1
Based on 1 x 10
6
revolutions L
10
life, for the ISO life calculation method.
2
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.
Dimensions
d - Cone Bore
50
mm
1.9685
in
B - Cone Width
29.000
mm
1.1417
in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius
1
3.050
mm
0.12
in
da - Cone Frontface Backing Diameter
60
mm
2.36
in
db - Cone Backface Backing Diameter
76
mm
2.99
in
Ab - Cage-Cone Frontface Clearance
4.1
mm
0.16
in
Aa - Cage-Cone Backface Clearance
4.1
mm
0.16
in
a - Effective Center Location
2
4.3
mm
0.17
in
1
These maximum fillet radii will be cleared by the bearing corners.
2
Negative value indicates effective center inside cone backface.
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)
1
36700
N
8250
lbf
C1 - Dynamic Radial Rating (1 million revolutions)
2
142000
N
31800
lbf
C0 - Static Radial Rating
138000
N
31000
lbf
C
a90
- Dynamic Thrust Rating (90 million revolutions)
3
54400
N
12200
lbf
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
0.67
G1 - Heat Generation Factor (Roller-Raceway)
39
G2 - Heat Generation Factor (Rib-Roller End)
14.6
Cg - Geometry Factor
2
0.11
1
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
2
Geometry constant for Lubrication Life Adjustment Factor a3l.
VIEW CAD DRAWING
·
3D
·
2D ISO View
·
2D Sales Drawing
DOWNLOADS
Tapered Roller Bearing Engineering Information
(PDF, 663KB)
Bearing Life Calculation Tool
Bearing Dimensional Tolerances
