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Tapered Roller Bearings - Single Cups - Metric
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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 Y33108
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Part Number Y33108, 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
33108
Cup Part Number
Y33108
Design Units
METRIC
Full Timken Part Number
33108
Dimensions
D - Cup Outer Diameter
75
mm
2.9528
in
C - Cup Width
20.500
mm
0.8071
in
Abutment and Fillet Dimensions
r - Cup Backface "To Clear" Radius
1
1.52
mm
0.06
in
Da - Cup Frontface Backing Diameter
71.90
mm
2.87
in
Db - Cup Backface Backing Diameter
67.06
mm
2.64
in
1
These maximum fillet radii will be cleared by the bearing corners.
Factors
K - Factor
1
1.64
e - ISO Factor
2
0.36
Y - ISO Factor
3
1.69
G1 - Heat Generation Factor (Roller-Raceway)
29.4
G2 - Heat Generation Factor (Rib-Roller End)
14.9
Cg - Geometry Factor
4
0.0771
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.