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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 Y33021
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Part Number Y33021, 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
33021
Cup Part Number
Y33021
Design Units
METRIC
Full Timken Part Number
33021
Dimensions
D - Cup Outer Diameter
160
mm
6.2992
in
C - Cup Width
34
mm
1.3386
in
Abutment and Fillet Dimensions
r - Cup Backface "To Clear" Radius
1
2.03
mm
0.08
in
Da - Cup Frontface Backing Diameter
153.16
mm
6.03
in
Db - Cup Backface Backing Diameter
147.07
mm
5.79
in
1
These maximum fillet radii will be cleared by the bearing corners.
Factors
K - Factor
1
2.07
e - ISO Factor
2
0.28
Y - ISO Factor
3
2.12
G1 - Heat Generation Factor (Roller-Raceway)
236.3
G2 - Heat Generation Factor (Rib-Roller End)
54.8
Cg - Geometry Factor
4
0.0975
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 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.