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Tapered Roller Bearings - Single Cups - Imperial
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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 - Imperial
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Part Number 02820
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Part Number 02820, Tapered Roller Bearings - Single Cups - Imperial
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
02800
Cup Part Number
02820
Design Units
Imperial
Dimensions
D - Cup Outer Diameter
2.8750
in
73.025
mm
C - Cup Width
0.6875
in
17.463
mm
Abutment and Fillet Dimensions
r - Cup Backface "To Clear" Radius
1
0.130
in
3.30
mm
Da - Cup Frontface Backing Diameter
2.72
in
68.10
mm
Db - Cup Backface Backing Diameter
2.44
in
61.98
mm
1
These maximum fillet radii will be cleared by the bearing corners.
Factors
K - Factor
1
1.29
e - ISO Factor
2
0.45
Y - ISO Factor
3
1.32
G1 - Heat Generation Factor (Roller-Raceway)
20.6
G2 - Heat Generation Factor (Rib-Roller End)
10.1
Cg - Geometry Factor
4
0.074
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
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3D
·
2D Sectional View
·
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.