All Product Types
>
ENGINEERED BEARINGS
>
Tapered Roller Bearings
>
Tapered Roller Bearings - TS (Tapered Single)
>
Tapered Roller Bearings - TS (Tapered Single) Metric
>
Part Number JH307749 - JH307710
Part Number JH307749 - JH307710, Tapered Roller Bearings - TS (Tapered Single) Metric
Download PDF
Download PDF
Printable Page
Email This Page
Save To Favorites
Please wait…
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.
larger image
larger image
Specifications
·
Dimensions
·
Abutment and Fillet Dimensions
·
Basic Load Ratings
·
Factors
Specifications
Series
H307700
Cone Part Number
JH307749
Cup Part Number
JH307710
Design Unit
Metric
Cage Material
Stamped Steel
Related Assembly Number(s)
JH307749-90B01
Dimensions
d - Bore
55
mm
2.1654
in
D - Cup Outer Diameter
110
mm
4.3307
in
B - Cone Width
39
mm
1.5354
in
C - Cup Width
32.000
mm
1.2598
in
T - Bearing Width
39.000
mm
1.5354
in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius
1
3.050
mm
0.12
in
r - Cup Backface "To Clear" Radius
2
2.54
mm
0.1
in
da - Cone Frontface Backing Diameter
64
mm
2.52
in
db - Cone Backface Backing Diameter
71
mm
2.8
in
Da - Cup Frontface Backing Diameter
103.90
mm
4.11
in
Db - Cup Backface Backing Diameter
97.03
mm
3.82
in
Ab - Cage-Cone Frontface Clearance
3.8
mm
0.15
in
Aa - Cage-Cone Backface Clearance
0.3
mm
0.01
in
a - Effective Center Location
3
-11.7
mm
-0.46
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
64500
N
14500
lbf
C1 - Dynamic Radial Rating (1 million revolutions)
2
249000
N
56000
lbf
C0 - Static Radial Rating
251000
N
56500
lbf
C
a90
- Dynamic Thrust Rating (90 million revolutions)
3
38300
N
8600
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
1.69
e - ISO Factor
2
0.35
Y - ISO Factor
3
1.73
G1 - Heat Generation Factor (Roller-Raceway)
72
G2 - Heat Generation Factor (Rib-Roller End)
16.9
Cg - Geometry Factor
4
0.0706
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
