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Tapered Roller Bearings - Single Cups - Metric
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ENGINEERED BEARINGS
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Tapered Roller Bearings
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Tapered Roller Bearings - Single Cups
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Tapered Roller Bearings - Single Cups - Metric
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Part Number JL68111-Z
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Part Number JL68111-Z, Tapered Roller Bearings - Single Cups - Metric
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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Unit of Measure:
Imperial
Metric
Both
Specifications
·
Dimensions
·
Abutment and Fillet Dimensions
·
Factors
Specifications
Series
L68100
Cup Part Number
JL68111-Z
Design Units
METRIC
Full Timken Part Number
L68100
Dimensions
D - Cup Outer Diameter
60.000
mm
2.3622
in
C - Cup Width
11.938
mm
0.4700
in
Abutment and Fillet Dimensions
r - Cup Backface "To Clear" Radius
1
1.27
mm
0.050
in
Da - Cup Frontface Backing Diameter
55.90
mm
2.24
in
Db - Cup Backface Backing Diameter
53.09
mm
2.09
in
1
These maximum fillet radii will be cleared by the bearing corners.
Factors
K - Factor
1
1.4
e - ISO Factor
2
0.42
Y - ISO Factor
3
1.44
G1 - Heat Generation Factor (Roller-Raceway)
15.7
G2 - Heat Generation Factor (Rib-Roller End)
14.7
Cg - Geometry Factor
4
0.0657
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.
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3D
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2D Sales Drawing
DOWNLOADS
Tapered Roller Bearing Engineering Information
(PDF, 663KB)
Bearing Life Calculation Tool
Bearing Dimensional Tolerances
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The Timken Company. ©
The Timken Company.
©
The Timken Company.