All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Single Cups > Tapered Roller Bearings - Single Cups - Imperial > Part Number 49521  

Part Number 49521, Tapered Roller Bearings - Single Cups - Imperial


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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.




Specifications  · Dimensions  · Abutment and Fillet Dimensions  · Factors

Specifications

Series

49500

Cup Part Number

49521

Design Units

Imperial


Dimensions

D - Cup Outer Diameter

4 in
101.600
mm

C - Cup Width

1.125 in
28.575
mm


Abutment and Fillet Dimensions

r - Cup Backface "To Clear" Radius1

0.130 in
3.30
mm

Da - Cup Frontface Backing Diameter

3.82 in
97.00
mm

Db - Cup Backface Backing Diameter

3.43 in
87.12
mm
1 These maximum fillet radii will be cleared by the bearing corners.


Factors

e - ISO Factor1

0.4

Y - ISO Factor2

1.5

Cg - Geometry Factor3

0.0946
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.



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Tapered Roller Bearing Engineering Information
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Bearing Life Calculation Tool

Bearing Dimensional Tolerances