All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Single Cups > Tapered Roller Bearings - Single Cups - Imperial > Part Number HM89411  

Part Number HM89411, 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
HM89400

Cup Part Number
HM89411

Design Units
Imperial


Dimensions

D - Cup Outer Diameter
3 in
76.2 mm

C - Cup Width
0.9063 in
23.020 mm


Abutment and Fillet Dimensions

r - Cup Backface "To Clear" Radius1
0.030 in
0.76 mm

Da - Cup Frontface Backing Diameter
2.91 in
73.90 mm

Db - Cup Backface Backing Diameter
2.56 in
65.02 mm
1 These maximum fillet radii will be cleared by the bearing corners.


Factors

e - ISO Factor1
0.55

Y - ISO Factor2
1.1

Cg - Geometry Factor3
0.0883
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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