All Product Types
>
ENGINEERED BEARINGS
>
Tapered Roller Bearings
>
Tapered Roller Bearings - TS (Tapered Single)
>
Tapered Roller Bearings - TS (Tapered Single) Metric
>
Part Number JLM67042 - JLM67020P
Part Number JLM67042 - JLM67020P, 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
LM67000
Cone Part Number
JLM67042
Cup Part Number
JLM67020P
Design Unit
Metric
Cage Material
Stamped Steel
Dimensions
d - Bore
27.000
mm
1.0630
in
D - Cup Outer Diameter
58.513
mm
2.3037
in
B - Cone Width
16.764
mm
0.6600
in
C - Cup Width
11.561
mm
0.4552
in
T - Bearing Width
15.875
mm
0.6250
in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius
1
0.510
mm
0.02
in
r - Cup Backface "To Clear" Radius
2
1.27
mm
0.050
in
da - Cone Frontface Backing Diameter
33
mm
1.3
in
db - Cone Backface Backing Diameter
33.5
mm
1.32
in
Da - Cup Frontface Backing Diameter
55.90
mm
2.24
in
Db - Cup Backface Backing Diameter
52.07
mm
2.05
in
Ab - Cage-Cone Frontface Clearance
1.3
mm
0.05
in
Aa - Cage-Cone Backface Clearance
0.3
mm
0.01
in
a - Effective Center Location
3
-3
mm
-0.12
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
12100
N
2720
lbf
C1 - Dynamic Radial Rating (1 million revolutions)
2
46700
N
10500
lbf
C0 - Static Radial Rating
44600
N
10000
lbf
C
a90
- Dynamic Thrust Rating (90 million revolutions)
3
8550
N
1920
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
1.42
e - ISO Factor
2
0.41
Y - ISO Factor
3
1.46
G1 - Heat Generation Factor (Roller-Raceway)
12.8
G2 - Heat Generation Factor (Rib-Roller End)
9.7
Cg - Geometry Factor
4
0.0612
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
