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Part Number JW4549 - JW4510
Part Number JW4549 - JW4510, Tapered Roller Bearings - TS (Tapered Single) 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
JW4500
Cone Part Number
JW4549
Cup Part Number
JW4510
Design Unit
Metric
Cage Material
Stamped Steel
Related Assembly Number(s)
JW4549-90402
JW4549-90403
JW4549-90404
JW4549-90KA1
JW4549-90KA4
Dimensions
d - Bore
45
mm
1.7717
in
D - Cup Outer Diameter
95
mm
3.7402
in
B - Cone Width
26.500
mm
1.0433
in
C - Cup Width
20.000
mm
0.7874
in
T - Bearing Width
29.000
mm
1.1417
in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius
1
2.540
mm
0.1
in
r - Cup Backface "To Clear" Radius
2
2.54
mm
0.1
in
da - Cone Frontface Backing Diameter
54
mm
2.13
in
db - Cone Backface Backing Diameter
64
mm
2.52
in
Da - Cup Frontface Backing Diameter
90.90
mm
3.58
in
Db - Cup Backface Backing Diameter
77.98
mm
3.07
in
Ab - Cage-Cone Frontface Clearance
3.6
mm
0.14
in
Aa - Cage-Cone Backface Clearance
3.8
mm
0.15
in
a - Effective Center Location
3
4
mm
0.16
in
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
30700
N
6900
lbf
C1 - Dynamic Radial Rating (1 million revolutions)
2
118000
N
26600
lbf
C0 - Static Radial Rating
114000
N
25600
lbf
C
a90
- Dynamic Thrust Rating (90 million revolutions)
3
45500
N
10200
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
e - ISO Factor
2
0.87
Y - ISO Factor
3
0.69
G1 - Heat Generation Factor (Roller-Raceway)
30.7
G2 - Heat Generation Factor (Rib-Roller End)
12.9
Cg - Geometry Factor
4
0.102
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 ISO View
·
2D Sales Drawing
DOWNLOADS
Tapered Roller Bearing Engineering Information
(PDF, 663KB)
Bearing Life Calculation Tool
Bearing Dimensional Tolerances
