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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Single Cups > Tapered Roller Bearings - Single Cups - Imperial > Part Number 29521  
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Part Number 29521, 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.



Unit of Measure: Imperial Metric Both

Specifications  · Dimensions  · Abutment and Fillet Dimensions  · Factors

Specifications

Series

29500

Cup Part Number

29521

Design Units

Imperial


Dimensions

D - Cup Outer Diameter

4.3307 in
110
mm

C - Cup Width

0.75 in
19.05
mm


Abutment and Fillet Dimensions

r - Cup Backface "To Clear" Radius1

0.050 in
1.27
mm

Da - Cup Frontface Backing Diameter

4.11 in
103.90
mm

Db - Cup Backface Backing Diameter

3.90 in
99.06
mm
1 These maximum fillet radii will be cleared by the bearing corners.


Factors

e - ISO Factor1

0.46

Y - ISO Factor2

1.31

Cg - Geometry Factor3

0.111
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 Geometry constant for Lubrication Life Adjustment Factor a3l.



 DOWNLOADS 

Tapered Roller Bearing Engineering Information
(PDF, 663KB)

Bearing Life Calculation Tool

Bearing Dimensional Tolerances


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