All Product Types
>
ENGINEERED BEARINGS
>
Tapered Roller Bearings
>
Tapered Roller Bearings - TS (Tapered Single)
>
Tapered Roller Bearings - TS (Tapered Single) Metric
>
Part Number JL69349A - JL69310
Part Number JL69349A - JL69310, 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
L69300
Cone Part Number
JL69349A
Cup Part Number
JL69310
Design Unit
Metric
Cage Material
Stamped Steel
Related Assembly Number(s)
JL69349A-90K98
JL69349A-90N97
Dimensions
d - Bore
38.000
mm
1.4961
in
D - Cup Outer Diameter
63.000
mm
2.4803
in
B - Cone Width
17.000
mm
0.6693
in
C - Cup Width
13.500
mm
0.5315
in
T - Bearing Width
17.000
mm
0.6693
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
1.27
mm
0.050
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
60.96
mm
2.40
in
Db - Cup Backface Backing Diameter
55.88
mm
2.20
in
Ab - Cage-Cone Frontface Clearance
1.8
mm
0.07
in
Aa - Cage-Cone Backface Clearance
0
mm
0
in
a - Effective Center Location
3
-2.3
mm
-0.09
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
13200
N
2970
lbf
C1 - Dynamic Radial Rating (1 million revolutions)
2
51000
N
11500
lbf
C0 - Static Radial Rating
55000
N
12400
lbf
C
a90
- Dynamic Thrust Rating (90 million revolutions)
3
9410
N
2120
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
1.4
e - ISO Factor
2
0.42
Y - ISO Factor
3
1.44
G1 - Heat Generation Factor (Roller-Raceway)
18.4
G2 - Heat Generation Factor (Rib-Roller End)
13.6
Cg - Geometry Factor
4
0.0692
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
