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Part Number JHM88540 - JHM88513
Part Number JHM88540 - JHM88513, 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
HM88500
Cone Part Number
JHM88540
Cup Part Number
JHM88513
Design Unit
Metric
Cage Material
Stamped Steel
Related Assembly Number(s)
JHM88540-90K01
Dimensions
d - Bore
30
mm
1.1811
in
D - Cup Outer Diameter
72
mm
2.8346
in
B - Cone Width
27.783
mm
1.0938
in
C - Cup Width
23.020
mm
0.9063
in
T - Bearing Width
29.370
mm
1.1563
in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius
1
1.270
mm
0.050
in
r - Cup Backface "To Clear" Radius
2
3.30
mm
0.130
in
da - Cone Frontface Backing Diameter
42.5
mm
1.67
in
db - Cone Backface Backing Diameter
44.5
mm
1.75
in
Da - Cup Frontface Backing Diameter
69.10
mm
2.74
in
Db - Cup Backface Backing Diameter
57.91
mm
2.28
in
Ab - Cage-Cone Frontface Clearance
2.3
mm
0.09
in
Aa - Cage-Cone Backface Clearance
1.5
mm
0.06
in
a - Effective Center Location
3
-5.6
mm
-0.22
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
26700
N
6010
lbf
C1 - Dynamic Radial Rating (1 million revolutions)
2
103000
N
23200
lbf
C0 - Static Radial Rating
111000
N
24900
lbf
C
a90
- Dynamic Thrust Rating (90 million revolutions)
3
25000
N
5620
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
1.07
e - ISO Factor
2
0.55
Y - ISO Factor
3
1.1
G1 - Heat Generation Factor (Roller-Raceway)
26.3
G2 - Heat Generation Factor (Rib-Roller End)
11.7
Cg - Geometry Factor
4
0.0857
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
